Fig. 2From: Complete remission of an early-stage laryngeal cancer under combined pembrolizumab and chemotherapy treatment of a synchronous lung adenocarcinomaHistopathological findings of the primary tumors. A H&E staining of the supraglottic laryngeal cancer. B Anti-PD1 immunohistochemical staining (clone 22C3) of the supraglottic laryngeal cancer. C H&E staining of the lung adenocarcinoma. D Anti-PD1 immununohistochemical staining of the lung adenocarcinoma. In B, D immunohistochemical reaction is indicated by a red signalBack to article page