Even though the TP53 gene was also frequently altered in glioblastoma and melanoma,18, 19 in this cohort, EGFR‐LFD positive glioblastoma was only found with TERT alterations while TP53 was usually concurrent with EGFR‐LFD in colorectal cancer, lung cancer. The gene discussed is TP53; the disease is lung carcinoma.