1病案摘要患者王某某,男,73岁,因右下肺印戒细胞癌姑息术后1年4个月入院。患者于2003年3月因咳嗽行胸部CT检查发现右下肺肿块伴纵隔淋巴结肿大。2003年4月29日在上海中山医院行右下肺肿块部分切除术,术后病理:肿块大小约2cm×2cm,无包膜,边缘见树根样生长。酶标:CK7(+),CK8(+), 1 case summary patient Wang Moumou, male, 73 years old, due to the right lower lung signet ring cell carcinoma palliative 1 year and 4 months after admission. Patients in March 2003 due to cough chest CT examination found that the right lower lung mass with mediastinal lymph nodes. April 29, 2003 in Shanghai Zhongshan Hospital right lower lung tumor partial resection, postoperative pathology: tumor size of about 2cm × 2cm, no capsule, the edge of the root-like growth. Labeled: CK7 (+), CK8 (+),