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1955年7月16日--11月20日对嘉善县11个乡前l--5年普查出的1009例直肠病变进行了复查和随访,复查率91.8%。复查的病例中曾经过手术或治疗而痊愈者507例占复查总例数54.7%。病变自然消失的227例,依然存在的103例。
From July 16th to November 20th, 1955, 1009 cases of rectum lesions detected from 1 to 5 years ago in 11 townships in Jiashan County were reviewed and followed up. The reexamination rate was 91.8%. Among the reviewed cases, 507 cases who had undergone surgery or treatment recovered accounted for 54.7% of the total number of cases reviewed. 227 cases of natural lesions disappeared, and 103 cases remained.