For some people with cancer that has spread to the liver, or a primary cancer within the liver, a wireless metal pump about the size of a hockey puck offers bright hope for longer-term survival and a potential cure.

Achalasia is a rare swallowing disorder in which the esophagus loses the ability to propel food and liquids into the stomach. As a result, food gets stuck in the esophagus, leading to regurgitation of food and often chest pain.

For the first time, a large population-wide study of young women found no new cases of cervical cancer among those who had received a vaccine against human papillomavirus (HPV).