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在美国,结肠和直肠癌居恶性肿瘤的第二位,男性发病率约为5％、女性约6％。本文回顾性研究了10年间因结直肠腺癌转移而开胸的全部病人的记录。本组66例,男性35例、女性31例。年龄32～80岁,平均63岁。原发肿瘤在左侧者55例,右侧者9例,横结肠2例。转移癌在左肺者37例,右肺28例,双肺1例。转移癌Ⅰ级1例,Ⅱ级58例,Ⅱ级7例。肺叶切除34例,楔形切除23例,全肺切除4例。肿瘤不能全部切除而仅作了活检者9例。肺内孤立性转移48例(73％),2个转移瘤者8例,3个转移瘤者4例,4个转移瘤者2例,10个以上转移瘤者4例。切除瘤最大径的中值2.5cm(0.3～8cm)。
In the United States, colon and rectal cancer are the second most common malignant tumors, with a prevalence of about 5% in men and about 6% in women. This article retrospectively studied the records of all patients who had had a thoracotomy due to the metastasis of colorectal adenocarcinoma over a 10-year period. This group of 66 cases, 35 males and 31 females. Age 32 to 80 years, average 63 years old. The primary tumor was 55 cases on the left side, 9 cases on the right side, and 2 cases of transverse colon. There were 37 cases of metastatic carcinoma in left lung, 28 cases in right lung, and 1 case in both lungs. There were 1 case of metastatic carcinoma in grade 1, 58 in grade II, and 7 in grade II. Thirty-four patients underwent lobectomy, 23 under wedge resection, and 4 under pneumonectomy. The tumor could not be completely removed and only 9 cases were biopsied. In the lung, 48 cases (73%) were solitary metastases, 8 metastases, 8 metastases, 4 metastases, 4 metastases, and 4 metastases. The median diameter of the excised tumor was 2.5 cm (0.3 to 8 cm).