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  • Title: [Surgical treatment of pulmonary metastases from colon and rectal cancer].
    Author: Togashi K, Aoki K, Hirahara H, Sugawara M, Oguma F.
    Journal: Kyobu Geka; 2004 Sep; 57(10):941-4. PubMed ID: 15462343.
    Abstract:
    We retrospectively studied the surgical treatment for pulmonary metastases from colon and rectal cancer. A total of 24 patients (9 males and 15 females; mean age 61 years) underwent 29 thoracotomies for metastatic colon carcinoma, while 22 patients (16 males and 6 females; mean age 63 years) underwent 29 thoracotomies for metastatic rectal cancer. The median interval between the primary procedure and lung resection for metastases was 26 months in the patients with colon carcinoma and 32 months in the patients with rectal cancer. In the patients with colon carcinoma, 16 underwent wedge resection or segmentectomy (including 4 video-assisted procedures) and 13 (54%) underwent lobectomy or pneumonectomy. In the patients with rectal cancer, 15 underwent wedge or segmentectomy (including 1 video-assisted procedure), 13 (59%) underwent lobectomy or pneumonectomy, and 1 underwent exploratory thoracotomy. All procedures except exploratory thoracotomy were curative operations. There was no mortality. Overall 5-year survival was 56% (n=46). Five-year survival was 65% for patients with colon metastases (n=24) and 45% for patients with rectal metastases (n=22), and there was no significant difference. Recurrent sites were 4 lungs (36%), 4 livers (36%), 1 bone, 1 uterus, and 1 peritoneum in patients with colon carcimoma, and 10 lungs (43%), 5 brains (22%), 3 livers (13%), 1 bone, and 1 vagina in patients with rectal cancer. Pulmonary resection for metastases from colon carcinoma may have better prognosis than that from rectal cancer. However, further investigation may be required to obtain convincing conclusions.
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