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Colorectal carcinoma in the young.

Four hundred and five patients with colorectal adenocarcinoma were seen over a five year period in the Department of Surgery, University of Hong Kong. These patients were divided into two concurrent groups according to the age of 40. Thirty patients (7.4%) were below age of 40 at the time of presentation. This young group of patients had both a higher combined proportion of C and D tumors (76.6% to 50%) and a higher proportion of poorly differentiated tumours (20% to 5.5%). The curative and palliative resections rates were similar. Life tables of patients who underwent curative resections showed young patients to have a significantly poorer overall disease-free interval as well as overall determinant survival. In comparing only the Dukes C patients, the young patients still showed a higher recurrence rate.