Surgical results for centrally-located early stage lung cancer
2000
Abstract Background . With the increasing use of mass screening programs for lung cancer, and especially the use of sputum cytology, the incidence of roentgenographically occult lung cancer has been increasing. These occult cancers comprise mainly histologically centrally-located early stage lung cancers. This study examined the clinicopathologic characteristics and surgical results of centrally-located early stage lung cancer. Results . From 1980 to 1998, there were 98 patients and 99 lesions of centrally-located early stage lung cancer resected. A total of 64 patients were detected by mass screening. Histologic examination revealed that 96 lesions were squamous cell carcinoma, and in these patients, there were 10 lesions of carcinoma in situ. The 5-year survival rate was 81.4% in all patients, and 88.9% in carcinoma in situ patients. In the postoperative follow-up period, a second lung cancer occurred in 13 patients. Conclusions . The surgical results for centrally-located early lung cancer were good. However, sometimes these cancers are accompanied by a second centrally-located primary lung cancer, so it is necessary to follow-up with sputum cytology to allow early detection of additional centrally-located lung cancer.
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