CUL3 and non-small cell lung carcinoma: We report a case of EGFR‐, TP53‐, and Cullin 3 (CUL3)‐mutant NSCLC in a 43‐year‐old woman with widespread metastases at diagnosis, including those in the contralateral lung, distant lymph nodes, pericardium, liver, bones, left adrenal gland, and brain.