CAUSES
- It's not clear what causes esophageal cancer.
- Esophageal cancer occurs when cells in your esophagus develop errors in their DNA
- The errors make cells grow and divide out of control
- accumulating abnormal cells form a tumor in the esophagus that can invade
- And spread to other parts of the body.
Esophageal cancer occurs when cells in your esophagus develop errors (mutations) in their DNA. The errors make cells grow and divide out of control. The accumulating abnormal cells form a tumor in the esophagus that can grow to invade nearby structures and spread to other parts of the body.