Fig. 6From: Analysis of key clinical features for achieving complete remission in stage III and IV non-small cell lung cancer patientsPathological findings of the lung tumor resected from the right upper lobe, shown in Fig. 4e. Hematoxylin and eosin staining of the resected tumor is shown. Pathological examination revealed this tumor to be an adenocarcinoma showing a mixture of the acinar type (a) and the solid type (b). Numerous inflammatory cells around (a) and inside (b) the tumor are indicated by the white arrows. A lot of lymphoid follicles are visible inside the tumor (b). These inflammatory cells demonstrate marked immune responseBack to article page