Fig. (2) (A and B) A representative of vimentin positivity in lung cancer cells. (A) Hematoxylin-eosin staining and (B) Immunostaining of vimentin in a cell block sample obtained from a patient with adenocarcinoma. (C) Kaplan-Meier curves of overall survival in patients with advanced lung cancer, dependent on the status of vimentin positivity based on immunostaining.