William shares his journey from a small-town practice to a leading role at a cancer center, where he diagnosed thousands of cancer cases and treated patients with groundbreaking targeted radionuclide therapy. He highlights the impressive success rate of this outpatient treatment, which boasts an 85% to 90% response rate with minimal side effects. However, he also reveals the challenges faced when his program was undermined due to the lack of financial incentive in treating rare cancers within a socialized healthcare system.