ERBB2 and neoplasm: The groups showed no significant differences in gender, age, HER2 status, or monocyte count (all P > 0.05), whereas statistically significant variations were observed in tumor location, tumor size, Lauren classification, clinical T/N stages, lymphocyte count, platelet count, albumin, CA242, CA50, CA724, CEA, CA125, CA199, PLR, LMR, PNI, and TMI (all P < 0.05).