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What does a tumor mean in cancer?

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Tumor is an abnormal lump of body tissue. You can get a tumor if cells grow and copy themselves too fast or don’t die when they should. A tumor can be malignant (cancerous) or benign (not cancerous).

From: Basic Cancer Terms You Need to Know WebMD Medical Reference

SOURCES:

National Cancer Institute: “NCI Dictionary of Cancer Terms.”

American Society of Clinical Oncology: “Cancer Terms: Cancer Basics,” “Biopsy,” “Stages of Cancer.”

American Cancer Society: “Cancer Glossary.”

Reviewed by Laura J. Martin on October 1, 2017

SOURCES:

National Cancer Institute: “NCI Dictionary of Cancer Terms.”

American Society of Clinical Oncology: “Cancer Terms: Cancer Basics,” “Biopsy,” “Stages of Cancer.”

American Cancer Society: “Cancer Glossary.”

Reviewed by Laura J. Martin on October 1, 2017

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