Achalasia. This is a narrowing of the esophagus which can be very painful. Sometimes it can be treated by dilating the esophagus to reduce the pain and narrowing. You should see a gastroenterologist for further treatment.
Achalasia. This is a disease where the nerves of the esophagus no longer function to coordinate the muscles to push down food, or send a signal to the lower valve of the esophagus at the entrance to the stomach to open an let the food in. Cause usually unknown. Most effective and most invasive treatment is surgically cutting the muscle of the valve, that can be done laparoscopically or endoscopically (poem).