PGR and neoplasm: PgR status (P = 0.013; HR = 0.355; PgR- as a reference), residual tumor size (P = 0.041; HR = 1.559 for 2-5 cm, HR = 3.664 for > 5 cm; < 2 cm as a reference), and residual lymph node involvement (P = 0.014; HR = 0.949 for 1-3 positive node, HR = 3.408 for ≥4 positive node; 0 positive node as a reference) were also independent prognostic variables for OS.