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 ...

Background Acute type A aortic dissection is a surgical emergency, with an operative mortality as high as 25%. Ischemia is a known predictor of mortality. We tested the efficacy of a classification ...

Whether patients with early-stage oral cancers should be treated with elective neck dissection at the time of the primary surgery or with therapeutic neck dissection after nodal relapse has been a ...