三重原发癌较罕见。但大肠癌病人中发生多原发癌的情况却较常见。现将我院诊治的二例三重原发癌(一例为大肠多发癌并子宫内膜癌,一例为大肠的三原发癌)报告如下: 病例1,女,51岁。1983年3月患了宫内膜癌,行子宫附件切除。1985年2月因阵发性腹痛、粘液脓血便及右上腹肿块入院,经钡 Triple primary cancer is rare. However, the occurrence of multiple primary cancers in patients with colorectal cancer is more common. Two cases of triple primary cancer (one case with multiple colorectal cancers and endometrial cancer and one with large intestine) are reported in our hospital as follows: Case 1, female, 51 years old. March 1983 suffering from endometrial cancer, uterus annex resection. In February 1985, she was admitted to the hospital due to paroxysmal abdominal pain, mucopurulent blood, and right upper abdominal mass.