CEACAM5 and Lymphatic Metastasis: Other OS-related factors included CA19-9 (HR=2.561[1.030-6.369], P=0.043), CEA (HR=4.095[1.639-10.232], P=0.003), NLR (HR=2.885[1.258-6.620], P=0.012), blood transfusion (HR=1.768[1.053-2.967], P=0.031), CR-POPF (HR=0.249[0.124-0.500], P<0.001), and lymphatic metastasis (HR=1.170[1.052-1.302], P=0.004).