Department of Hematology and Respiratory Medicine;
School of Medicine;
Kochi University;
Kochi;
Japan;
Division of Pulmonary Medicine;
Kochi Medical Center;
Kochi;
Japan;
Division of Pulmonary Medicine;
Kochi Red Cross Hospital;
Kochi;
Japan;
Division of Pulmonary Medicine;
NHO Kochi Hospital;
Kochi;
Japan;
Non-Small; Cell; Lung; Cancer; Phase; II; Study; Erlotinib; Previously; Treated;