Fig. 1
From: Safety and efficacy of transbronchial cryobiopsy for elderly lung cancer patients
Comparison of the PD-L1 results of transbronchial lung cryobiopsy samples between the elderly group (≥ 80 years old) (A) and younger group (< 80 years old) (B) using three cutoffs, negative (tumor cells of < 1%), low-positive (TPS1 − 49%), and high-positive (TPS ≥ 50%) (n = 80)