EGFR and non-small cell lung carcinoma: The EGFR V831H (also known as R831H) mutation is an exceptionally rare variant with constitutive activity, and data on its therapeutic sensitivity are scarce.<h4>Methods</h4>We present a detailed case report of a patient with advanced non-small cell lung cancer (NSCLC) harboring a germ-line EGFR V831H mutation.