Kaplan Meier Curve demonstrating OS of integumentary system vs. lymph node primary site (180 months vs. 170 months, p <0.0001), nervous system vs. lymph node primary site (95 months vs. 170 months, p <0.0001) and musculoskeletal system vs. lymph node primary site (96 months vs. 170 months, p <0.0001).