Comparison between a Case-Matched Analysis of Left Upper Lobe Trisegmentectomy and Left Upper Lobectomy for Small Size Lung Cancer Located in the Upper Division - Iwasaki, A; Hamanaka, W; Hamada, T; Hiratsuka, M; Yamamoto, S; Shiraishi, T; Shirakusa, T (The Thoracic and Cardiovascular Surgeon, 2007)