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                                                               EXHIBIT 12(a)(13)

TO THE FORMER STOCKHOLDERS OF TREX MEDICAL CORPORATION:

     We are very pleased to announce that the merger of Trex Medical
Acquisition, Inc. ("Trex Acquisition") with and into Trex Medical Corporation
("Trex Medical") was completed on November 29, 2000. Under the terms of the
merger, each share of common stock of Trex Medical outstanding immediately prior
to the effective time of the merger (except for those shares owned by Trex
Acquisition or by stockholders exercising dissenters' rights and shares held in
Trex Medical's treasury) was converted into the right to receive $2.15 per share
in cash, without interest.

     Complete instructions on the exchange of your Trex Medical stock
certificates for the cash payment described above are included in the enclosed
Letter of Transmittal. In general, you will need to do the following in order to
receive the cash to which you are entitled:

     1.   Complete the front side of the Letter of Transmittal by indicating
          your stock certificate number(s) and the number of shares represented
          by each certificate. In addition, complete and sign the substitute
          Form W-9.

     2.   Sign, date and complete the reverse side of the Letter of Transmittal.
          Please note that you will need to have your signature guaranteed if
          you are requesting special issuance or delivery instructions.

     3.   Send your completed Letter of Transmittal along with your original
          stock certificate(s) to American Stock Transfer & Trust Company, who
          is serving as the payment agent, at the address set forth on the
          Letter of Transmittal. DELIVERY OF THE CERTIFICATE(S) SHALL BE
          EFFECTED, AND RISK OF LOSS AND TITLE TO THE CERTIFICATE(S) SHALL PASS,
          ONLY UPON DELIVERY OF THE CERTIFICATE(S) TO THE PAYMENT AGENT. WE
          STRONGLY RECOMMEND THAT YOU SEND YOUR STOCK CERTIFICATES AND LETTER OF
          TRANSMITTAL BY CERTIFIED OR REGISTERED MAIL, RETURN RECEIPT REQUESTED
          AND POSTAGE PRE-PAID, OR BY A NATIONALLY RECOGNIZED OVERNIGHT COURIER
          SERVICE.

     Any questions you have regarding the exchange of your Trex Medical shares
should be directed to American Stock Transfer & Trust Company at its address or
telephone number set forth in the Letter of Transmittal.

     Alternatively, you have a right to demand a judicially determined appraisal
of the value of your shares. If you intend to consider exercising this right,
you should read the enclosed notice of appraisal rights carefully and promptly.
Failure to follow any of the requirements set forth therein or to do so in a
timely manner will result in a loss of such rights.

                                        TREX MEDICAL CORPORATION

                                        SANDRA L. LAMBERT
                                        Secretary