SECURITIES & EXCHANGE COMMISSION
                             Washington, D.C. 20549

                             ----------------------

                                 SCHEDULE 13G/A*
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
                              PURSUANT TO 13d-2(b)

                           Exact Sciences Corporation
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    30063P105
                                 (CUSIP Number)

                                  July 24, 2002
             (Date of event which requires filing of this statement)


     Check the appropriate box to designate the rule pursuant to which this
Schedule 13G is filed:
     [ ]  Rule 13d-1(b)
     [X] Rule 13d-1(c)
     [ ] Rule 13d-1(d)

                              (Page 1 of 10 Pages)

----------------
     *The  remainder  of this cover  page  shall be filled  out for a  reporting
person's  initial  filing on this  form with  respect  to the  subject  class of
securities,  and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

     The  information  required in the remainder of this cover page shall not be
deemed to be "filed" for purposes of Section 18 of the  Securities  Exchange Act
of 1934 ("Act") or otherwise  subject to the  liabilities of that section of the
Act but shall be subject to all other  provisions of the Act  (however,  see the
Notes).





CUSIP No. 30063P105                 13G                    Page 2 of 10 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE
            PERSONS (ENTITIES ONLY)
                                           DCF Partners, L.P.
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3) SEC USE ONLY
-----------------------------------------------------------------------------
     (4) CITIZENSHIP OR PLACE OF ORGANIZATION

                            Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                              335,000
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                              335,000
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                                              335,000
-----------------------------------------------------------------------------
     (10) CHECK BOX IF THE AGGREGATE AMOUNT
          IN ROW (9) EXCLUDES CERTAIN SHARES **                           [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

                                                1.8%
-----------------------------------------------------------------------------
     (12) TYPE OF REPORTING PERSON **

                                                 PN
-----------------------------------------------------------------------------
                    ** SEE INSTRUCTIONS BEFORE FILLING OUT!





 CUSIP No. 30063P105                13G                    Page 3 of 10 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                           DCF Advisers, L.L.C.
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3) SEC USE ONLY
-----------------------------------------------------------------------------
     (4) CITIZENSHIP OR PLACE OF ORGANIZATION

                            Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                               335,000
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                               335,000
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
                                               335,000
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

                                                  1.8%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON **

                                                 OO
-----------------------------------------------------------------------------
                    ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 30063P105                13G                    Page 4 of 10 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)

                                           DCF Capital, L.L.C.
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3) SEC USE ONLY
-----------------------------------------------------------------------------
     (4) CITIZENSHIP OR PLACE OF ORGANIZATION
                            Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                 95,000
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                 95,000
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
                                                 95,000
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
                                                   0.5%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON **
                                                 IA
-----------------------------------------------------------------------------
                    ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 30063P105                13G                    Page 5 of 10 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                  Douglas C. Floren
-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                            United States
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                 179,000
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                 430,000
OWNED BY       ______________________________________________________________

EACH           (7)  SOLE DISPOSITIVE POWER
                                                 179,000
REPORTING      ______________________________________________________________

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                 430,000
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                                                 609,000
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
                                                    3.2%
-----------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON **
                                                 IN
-----------------------------------------------------------------------------
                    ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 30063P105               13G                    Page 6 of 10 Pages

Item 1(a).     Name of Issuer:

     The name of the issuer is Exact Sciences Corporation (the "Company").

Item 1(b).     Address of Issuer's Principal Executive Offices:

     The Company's principal executive offices are located at 63 Great Road,
Maynard, Massachusetts 01754.

Item 2(a).     Name of Person Filing:

     This statement is filed by:
          (i) DCF Partners, L.P., a limited partnership organized under the laws
              of the State of Delaware ("DCF Partners"), with respect to the
              shares of Common Stock directly beneficially owned by it;
         (ii) DCF Advisers, L.L.C., a limited liability company organized under
              the laws of the State of Delaware ("DCF Advisers"), with respect
              to the shares of Common Stock directly beneficially owned by DCF
              Partners;
        (iii) DCF Capital, L.L.C., a limited liability company organized under
              the laws of the State of Delaware ("DCF Capital"), which serves as
              investment manager to The DCF Life Sciences Fund Limited ("DCF
              Life Sciences"), a company organized under the laws of Bermuda,
              and to a separate managed account (The "Managed Account"); and
         (iv) Mr. Douglas C. Floren ("Mr. Floren") with respect to the shares of
              Common Stock directly beneficially owned by each of DCF Partners,
              DCF Life Sciences, the Managed Account and Mr. Floren. The number
              of shares of Common Stock beneficially owned by Mr. Floren
              reflects shares held by certain family members and in certain
              trusts for the benefit of family members of Mr. Floren. Mr. Floren
              serves as the trustee of such trusts, and as such may be deemed
              the beneficial owner of the shares of Common Stock held by such
              trusts. Mr. Floren has voting and dispositive power over all
              shares of Common Stock held by such family members and trusts.

         The foregoing persons are hereinafter collectively referred to as the
         "Reporting Persons." Any disclosures herein with respect to persons
         other than the Reporting Persons are made on information and belief
         after making inquiry to the appropriate party. The filing of this
         Schedule 13G shall not be construed as an admission by any of the
         Reporting Persons, individually or collectively, that any such person
         is, for the purposes of Section 13(d) or 13(g) of the Act, the
         beneficial owner of any securities covered by this Schedule 13G.

Item 2(b).     Address of Principal Business Office or, if None, Residence:

     The address of the business office of each of the Reporting Persons is 20
Dayton Avenue, Greenwich, Connecticut 06830.





CUSIP No. 30063P105                 13G                    Page 7 of 10 Pages

Item 2(c).     Citizenship:

     DCF Partners is a limited partnership organized under the laws of the State
of Delaware. Each of DCF Advisers and DCF Capital is a limited liability company
organized under the laws of the State of Delaware. Mr. Floren is a United States
citizen.

Item 2(d).     Title of Class of Securities:

     Common Stock, par value $0.01 (the "Common Stock").

Item 2(e).  CUSIP Number:

     30063P105

Item 3. If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or
(c), check whether the person filing is a:

          (a)  [ ] Broker or dealer registered under Section 15 of the Act,

          (b)  [ ] Bank as defined in Section 3(a)(6) of the Act,

          (c)  [ ] Insurance Company as defined in Section 3(a)(19) of the
                   Act,

          (d)  [ ] Investment Company registered under Section 8 of the
                   Investment Company Act of 1940,

          (e)  [ ] Investment Adviser in accordance with Rule
                   13d-1(b)(1)(ii)(E),

          (f)  [ ] Employee Benefit Plan or Endowment Fund in accordance
                   with 13d-1 (b)(1)(ii)(F),

          (g)  [ ] Parent Holding Company or control person in accordance
                   with Rule 13d-1 (b)(1)(ii)(G),

          (h)  [ ] Savings Association as defined in Section 3(b) of the
                   Federal Deposit Insurance Act,

          (i)  [ ] Church Plan that is excluded from the definition of an
                   investment company under Section 3(c)(14) of the Investment
                   Company Act of 1940,

          (j)  [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

Item 4.   Ownership.

     A. DCF Partners, L.P.
            (a) Amount beneficially owned: 335,000
            (b) Percent of class: 1.8% The percentages used in this Schedule 13G
are calculated based upon 19,048,067 shares of Common Stock issued and






CUSIP No. 30063P105                 13G                    Page 8 of 10 Pages

outstanding as of November 13, 2002, as reported in the Company's Form 10-Q for
the period ending September 30, 2002.
            (c)(i) Sole power to vote or direct the vote: -0-
              (ii) Shared power to vote or direct the vote: 335,000
             (iii) Sole power to dispose or direct the disposition: -0-
              (iv) Shared power to dispose or direct the disposition: 335,000

     B. DCF Advisers, L.L.C.
            (a) Amount beneficially owned: 335,000
            (b) Percent of class: 1.8%
            (c)(i) Sole power to vote or direct the vote: -0-
              (ii) Shared power to vote or direct the vote: 335,000
             (iii) Sole power to dispose or direct the disposition: -0-
              (iv) Shared power to dispose or direct the disposition: 335,000

     C. DCF Capital, L.L.C.
            (a) Amount beneficially owned: 95,000
            (b) Percent of class: 0.5%
            (c)(i) Sole power to vote or direct the vote: -0-
              (ii) Shared power to vote or direct the vote: 95,000
             (iii) Sole power to dispose or direct the disposition: -0-
              (iv) Shared power to dispose or direct the disposition: 95,000

     D. Mr. Douglas C. Floren

            (a) Amount beneficially owned: 609,000
            (b) Percent of class: 3.2%
            (c)(i) Sole power to vote or direct the vote: 179,000
              (ii) Shared power to vote or direct the vote: 430,000
             (iii) Sole power to dispose or direct the disposition: 179,000
              (iv) Shared power to dispose or direct the disposition: 430,000

Item 5.     Ownership of Five Percent or Less of a Class.

     If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more than
five percent of the class of securities, check the following [X].

Item 6.     Ownership of More than Five Percent on Behalf of Another Person.

     DCF Advisers, the general partner of DCF Partners, has the power to direct
the affairs of DCF Partners, including decisions respecting the receipt of
dividends from and the proceeds from the sale of Common Stock. Each of the
clients of DCF Capital, including DCF Life Sciences and the Managed Account, has
the power to direct the receipt of dividends from and the proceeds from the sale
of Common Stock. Mr. Floren is the Managing Member of DCF Advisers and DCF
Capital, and in that capacity directs their operations.

Item 7.     Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on by the Parent Holding Company.

     Not applicable.





CUSIP No. 30063P105                 13G                    Page 9 of 10 Pages

Item 8.  Identification and Classification of Members of the Group.

     Please see item 2(a).

Item 9.  Notice of Dissolution of Group.

     Not applicable.

Item 10.  Certification.

     Each of the Reporting Persons hereby makes the following certification:

          By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.





CUSIP No. 30063P105                 13G                   Page 10 of 10 Pages

SIGNATURES

After reasonable inquiry and to the best of our knowledge and belief, the
undersigned certify that the information set forth in this statement is true,
complete and correct.

DATED:  February 10, 2003

                                    /s/ Douglas C. Floren
                                    Douglas C. Floren, individually, and as
                                    managing member of
                                    DCF Advisers, L.L.C.,
                                    general partner of
                                    DCF Partners, L.P.,
                                    and as managing member of
                                    DCF Capital, L.L.C.