STAT3 and cancer: The gene of STAT genes was altered in 1,003 (9%) samples; STAT1, STAT2, STAT3, STAT4, STAT5A, STAT5B, andSTAT6 were altered in 2.3%, 1.7%, 2.0%, 2.4%, 1.6%, 1.9%, and 1.9% of the demanded pan-cancer samples (Figure 4A).