CD274 and lung cancer: AmoyDx® Lung Cancer Multi-Gene polymerase chain reaction (PCR) Panel (Amoy Diagnostics, Inc., Xiamen, China) showed Kirsten rat sarcoma viral oncogene homolog (KRAS) non-G12C positivity, and programmed death-ligand 1 (PD-L1) expression assessed by 22C3 immunohistochemistry showed tumor proportion score (TPS) 40%.