- See the article about cancer for the main article about malignant tumors.
Tumor or tumour literally means "swelling", and is sometimes still used with that meaning. Tumor meaning swelling is one of the five classical characteristics of inflammation. However, the term is now primarily used to denote abnormal growth of tissue. This growth can be either malignant or benign. It is similar in meaning to a neoplasia.
Tumor Types: Malignant vs. benign
Malignant tumors are cancerous.
Cancer has the potential to invade and destroy neighboring tissues and create
metastases. Benign tumors do not invade neighboring tissues and do not seed metastases, but may locally grow to great size. They usually do not return after surgical removal.
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Gestational Trophoblastic Tumors - Malignant cells grow in the uterus in the tissues that are formed following conception.
NCI: Gestational Trophoblastic Tumor - Information about gestational trophoblastic tumor, a rare cancer formed during conception. Includes staging, prognosis, recurrence, and treatment options.
Meta Description: [ Expert-reviewed information summary about the treatment of gestational trophoblastic tumors. ]