我院1994~2004年收治了6例双原发癌,现报告如下。1临床资料例1:患者,男,68岁。32年前因鼻咽高分化鳞癌行正规放疗治愈。本次因发现上腹部肿块2个月入院。纤维胃镜检查显示胃癌,病理检查为低分化腺癌,行胃癌姑息性切除术。术后化疗2次后病情恶化,6个月后死于全身衰竭。例2:患者, Our hospital from 1994 to 2004 admitted to 6 cases of double primary cancer, are as follows. 1 clinical data Example 1: Patient, male, 68 years old. 32 years ago because of nasopharyngeal squamous cell carcinoma normal radiation therapy. The discovery of upper abdominal mass 2 months admitted. Fiber gastroscopy showed gastric cancer, pathological examination of poorly differentiated adenocarcinoma, gastric cancer palliative resection. Postoperative chemotherapy after two exacerbations, died of systemic failure after 6 months. Example 2: Patient,