CASE OF SUCCESSFULL TREATMENT OF SQUAMOUSCELL CARCINOMA IIIA (IMMUNOTHERAPY + SURGICAL RESECTION), FOLLOWED BY VATS S6 SEGMENTECTOMY FOR METACHRONOUS SQUAMOUS-CELL CARCINOMA IA IN CONTRALATERAL LUNG. Voprosy onkologii, v. 66, n. 3, p. 291–295, 1 Mar.2020.