EGFR and small cell lung carcinoma: Araki and colleagues reported the case of a female patient with no smoking history and a performance status (PS) ECOG of 3 at diagnosis, who received gefitinib 250 mg/day as a first-line treatment for an SCLC harboring EGFR delE746-A750 of exon 19, with rapid improvement in symptoms and partial response (PR) in the first radiological evaluation.