He Ultrasounded Himself—and Found Cancer: Dr. Calvin Sun on Rejection, Lasting Confidence & The Surprising Cause of Cancer | Rejection Rehab Ep. 19

He was an ER doctor on NYC’s front lines during the pandemic—then, on shift, he scanned himself and found a tumor. Dr. Calvin Sun—author, world traveler, and NYC candidate for political office—opens up about loss, public service, and what real confidence looks like when rejection (and life) hit hardest. He also shares why he believes that being “always on” and never switching off during COVID contributed to his cancer.In this episode:• ⚕️ The self-ultrasound that changed everything• 🧯 NYC front lines: what “always on” really costs• 🧠 Why he believes chronic stress and never switching off contributed to his cancer• 🗳️ Running for political office—and reframing a loss• 💪 Confidence as a daily practice (“show up, don’t flake”)Listen/watch here: YouTube | Spotify | Apple Podcasts | InstagramHost: Dr. Tom | @RejectionRehab (IG / TikTok / YouTube) | @TomFlaherty (IG)Guest: Dr. Calvin Sun | Wikipedia | Website | Instagram | Campaign#RejectionRehab #CalvinSun #EmergencyMedicine #NYC #COVIDFrontline #CancerSurvivor #OvercomeRejection #Confidence #Mindset #Resilience