重复癌非属罕见，临床易被误诊为复发转移癌而失去手术根治良机。现将笔者所遇四例报告如下。1资料例1，女，36岁。因吞咽梗噎不畅5个月，伴胸骨后隐痛2个月于1994年3月27日入院。门诊食管钡透、胃镜诊断食管中段癌。病理诊断；食管中段鳞癌Ⅱ～Ⅲ级。化验：大便隐血（＋）。于 Repeated cancers are not rare. Clinically, they are misdiagnosed as recurrent metastatic cancers and have no chance of radical surgery. The following four cases have been reported by the author: 1 Example 1 Female, 36 years old. He was admitted to hospital on March 27, 1994 because he had difficulty swallowing for 5 months, and he had 2 months of back pain in the sternum. Outpatient esophageal fistula, endoscopic diagnosis of esophageal cancer. Pathological diagnosis; middle esophageal squamous cell carcinoma II ~ III. Laboratory tests: stool occult blood (+). in