Survival past five years with advanced, EGFR-mutated or ALK-rearranged non-small cell lung cancer—is there a “tail plateau” in the survival curve of these patients?

A tail plateau was found in the survival curves of patients with advanced, EGFR-mutated and ALK-rearranged NSCLC, but most were on treatment, especially with EGFR-mutated NSCLC.