[Colorectal carcinogenesis, frequency and significance of genetic alterations: deletion of the short arm of chromosome 1, and initiating event].

Abstract excerpt

Cytogenetic anomalies described in colo-rectal tumors are numerous. Despite the complexity and the number of the anomalies observed, a combined study of their frequency and of the stage of prognosis of the tumors suggests that the evolution from colonic adenoma to carcinoma often follows a sequence of events comprising a 5q15-22 deletion (DCC), and a 17p deletion (P53). It even seems likely that in many cases,...

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