An aortic aneurysm occurs when a weak aortic wall stretches, causing it to bulge. An aortic dissection occurs when there’s a tear in the aortic wall, which can be fatal if not treated immediately. The ...

Trials evaluating the omission of completion axillary-lymph-node dissection in patients with clinically node-negative breast cancer and sentinel-lymph-node metastases have been compromised by limited ...

A 74-year-old man presents to the emergency department with a 1-day history of severe chest and back pain. He has a history of hypertension and has run out of medication. He has no history of similar ...