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Also called: Benign cancer, Benign neoplasms, Noncancerous tumors
Tumors are abnormal growths in your body. They can be either benign or malignant. Benign tumors aren’t cancer. Malignant ones are. Benign tumors grow only in one place. They cannot spread or invade other parts of your body. Even so, they can be dangerous if they press on vital organs, such as your brain.
Tumors are made up of extra cells. Normally, cells grow and divide to form new cells as your body needs them. When cells grow old, they die, and new cells take their place. Sometimes, this process goes wrong. New cells form when your body does not need them, and old cells do not die when they should. These extra cells can divide without stopping and may form tumor.
Treatment often involves surgery. Benign tumors usually don’t grow back.
NIH: National Cancer Institute
Carcinoid tumors are rare, slow-growing cancers. They usually start in the lining of the digestive tract or in the lungs. They grow slowly and don’t produce symptoms in the early stages. As a result, the average age of people diagnosed with digestive or lung carcinoids is about 60.
In later stages the tumors sometimes produce hormones that can cause carcinoid syndrome. The syndrome causes flushing of the face and upper chest, diarrhea, and trouble breathing.
Surgery is the main treatment for carcinoid tumors. If they haven’t spread to other parts of the body, surgery can cure the cancer.