Dr. Walsh surveyed iron deficiency across cancer care—stressing recognition even without anemia, symptom clues, key labs, IV iron options, and urgent treatment in pregnancy—while linking untreated deficiency to poorer cardiovascular outcomes and highlighting novel agents such as luspatercept for polycythemia vera. Additional guidance on addressing iron deficiency with high ferritin levels and using capsule endoscopy to uncover small‑bowel bleeding was addressed.