ATP6V1C2 and colon adenocarcinoma: High expression of ATP6V1C2 (cut-off: the FPKM of ATP6V1C2 corresponding to the top one-third of COAD cases; FPKM ≥3.04 [n = 157]) was obviously related to a poor OS (p = 0.024, 55.37 months vs. not reached [NR], Figure 1B) based on TCGA COAD dataset.