title: Advanced non-small cell lung cancer: on relapse rechallenge the tumor, not the patient.
authors.affiliation: Department of Pneumonology, Medical School of Alexandroupolis, Democritus University of Thrace, Greece. mfroud@med.duth.gr.
authors.forename: Marios E
authors.initials: ME
authors.lastname: Froudarakis
authors.forename: Evangelos
authors.initials: E
authors.lastname: Briasoulis