6Li Destri G, Rinzivillo C, Craxi G, et al. Colorectal follow-up planning modifiedon the basis of our personal experience. Dig Surg,1998,15(1)∶64-68.
7Mansel JK, Zinsmeister AR, Pairolero PC, et al. Pulmonary resection of metastaticcolorectal adenocarcinoma. A ten year experience. Chest,1986,89(1)∶109-112.
8Goya T, Miyazawa N, Kondo H, et al. Surgical resection of pulmonary metastases fromcolorectal cancer. 10-year follow-up. Cancer,1989,64(7)∶1418-1421.