STAT3 and lung cancer: Regulation and expression of ALDH1 in lung cancer are mainly related to TSPYL5 (61), STAT3 (62), SOX9 (63), β-catenin (64), MiR-34a/IL-629 (54), miR-326/GNB1 (65), RNAMACC1-AS143 (66), PFKFB346 (67) and other signals and pathways.