Among the 25 P/LP variants identified in the lung cancer patients, four were found in ATM (0.36%), six in BRCA1 (0.54%), seven in BRCA2 (0.63%), two in CHEK2 (0.18%), four in PALB2 (0.36%), and two in TP53 (0.18%). The gene discussed is ATM; the disease is lung cancer.