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Clinical outcome of colorectal cancers that had been treated at Kitasato University Hospital between 1990 and 2001. Stage was classified according to the Sixth Japanese Classification of Colorectal Cancer. Stage II patients showed excellent prognosis, as did stage 0 and I patients. On the other hand, stage III patients (stage IIIA and IIIB) showed 68% survival during the clinical course. M, mucosa; SM, submucosa; MP, muscularis proprla; SS, subserosa; SE, serosal exposure.
