2Koike T, Terashima M, Takizawa T, et al. Clinical analysis of small sizecd peripheral lung cancer [ J ]. J Thorac Cardiovasc Surg, 1998,115 (5) : 1015-1020.
3Noguchi M, Morikawa A, Kawasaki M, et al. Small adenocarcinoma of the lung: histologic characteristics and prognosis[ J].Cancer, 1995,75 ( 12 ) :2844-2852.