The COSMIC database lists 409 somatic variants of TNFRSF9 (https://cancer.sanger.ac.uk/cosmic/gene/analysis?ln=TNFRSF9), included in the C120S variant found in non-small-cell lung cancer (NSCLC), underscoring its relevance in tumorigenesis (24). The gene discussed is TNFRSF9; the disease is non-small cell lung carcinoma.