98. Incidental Findings of Malignant and Pre-malignant Lesions in Gender-Affirming Mastectomies: A Retrospective Review with Recommendations for Post-operative Management - Luca Borah, BA; Grace I. Frecentese, BA; Megan Lane, MD; Jennifer B. Hamill, MPH; Michael S. Sabel, MD; Edwin G. Wilkins, MD, MS; Jessica J. Hsu, MD, PhD (Plastic and Reconstructive Surgery, Global Open, 2023)