Fig. 2From: A prospective observational study to assess PD-L1 expression in small biopsy samples for non-small-cell lung cancera The total percentage of TPS for each pathological case. b The total percentage of TPS for each biopsy method. Red indicates high TPS (50%≦), yellow indicates low TPS (1–49%), and blue indicates no TPS (<1%). Gray indicates undiagnosed cases. Ad: adenocarcinoma, Sq: squamous cell carcinoma. TBNA: transbronchial needle aspirationBack to article page