CD274 and carcinoid tumor: PD-L1+ (CPS ≥ 1)AdCC: 2Non-AdCC: 24(3 MEC, 1 SDC, 1 AcCC, 11 adeno, 1 myoepithelial, 1 carcinoid, 2 SCC, 1 serous, 3 undifferentiated)