FGFR1 and adenocarcinoma: A high FGFR1 protein level was reported in: Sq-NSCLCs - 16 of 171 (9%) (24), 13 of 212 (6%) (26), and in 22 of 267 (8.2%) (36); adenocarcinoma histological subtype- 40 of 114 (35%) (24), 13 of 383 (3.5%) (26), and 40 of 309 (12.9%) (36).