目的了解国人遗传性非息肉病性结直肠癌（HNPCC）的临床病理及分子遗传学特征。
Objective To investigate the clinicopathological and molecular genetic characteristics of Chinese hereditary nonpolyposis colorectal cancer (HNPCC) pedigrees.
目的了解国人遗传性非息肉病性结直肠癌（HNPCC）的临床病理及分子遗传学特征。
Objective To investigate the clinicopathological and molecular genetic characteristics of Chinese hereditary nonpolyposis colorectal cancer (HNPCC) pedigrees.
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