NOX4 and colorectal carcinoma: The survival analysis revealed that elevated expression of thrombospondin 2 (THBS2), follistatin like 3 (FSTL3), troponin T1 (TNNT1), biglycan (BGN), collagen triple helix repeat containing 1 (CTHRC1), and NADPH oxidase 4 (NOX4) were associated with poor OS in CRC (Figures 2A–F).