Thus, better preoperative diagnosis will provide understanding of the physiopathology of the malignant disease, its dissemination, and consequently, orient the surgical treatment of rectal cancer. Fernanda Rafalski. Twenty-eight of 30 cases of abnormal results occurred in patients with rectal neoplasm, and 28 of 30 normal results occurred in patients with non-neoplastic disease. The proposal for the clinical investigation was submitted to and approved by the Commission of Ethics. Arnaud et al.
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