MKI67 and neoplasm: Mitotic count ≥2 per 10 HPF vs. lower mitotic rate (p < 0.0001, p = 0.002), tumor grading (with G3 vs. G1-2: p < 0.0001, p < 0.0001), a Ki67 > 20% vs. lower Ki67 value (p = 0.001, p < 0.0001), the presence of necrosis vs. its absence (p < 0.0001, p = 0.003) and the diagnosis of AC vs. the diagnosis of TC (p < 0.0001, p < 0.0001), correlated with shorter PFS and OS.