Thoracoscopic Lobectomy with Systemic Lymph Node Dissection for Lymph Node Positive Non-Small Cell Lung Cancer - Is Thoracoscopic Lymph Node Dissection Feasible? - Shiraishi, T; Hiratsuka, M; Yoshinaga, Y; Yamamoto, S; Iwasaki, A; Shirakusa, T (The Thoracic and Cardiovascular Surgeon, 2008)