52. Efficacy of Targeted Muscle Reinnervation and Regenerative Peripheral Nerve Interface in Reducing Pain in Cancer Amputees: A Patient-reported Outcomes Study - Rami Elmorsi, MD; Ashley Shin, BS; David M. Adelman, MD; Alexander F. Mericli, MD; Margaret J. Roubaud, MD (Plastic and Reconstructive Surgery, Global Open)