CA7 and rectal cancer: CA7 expression exhibited a strong correlation with the Act_B (rho = 0.199, p = 1.82 × 10−5) and Neutrophils (0.263, p = 1.28 × 10−8) levels in colon cancer and with the Act_B (rho = 0.127, p = 0.102) and Neutrophils (rho = 0.259, p = 0.000739) levels in rectal cancer.