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Breast Tumor on a Mammogram

Mammogram Details

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Updated February 06, 2012

This mammogram shows dark areas of normal fatty breast tissue. Lighter areas are dense breast tissue that includes ducts and lobes. The whitest area is the most dense, indicating a tumor (breast cancer).
Breast Cancer Tumor on Mammogram

Breast Cancer Tumor on Mammogram

National Cancer Institute
Description: Shown is a mammogram of a fatty breast with an obvious cancerous tumor, indicated by a red arrow in the lower right corner of the image.

A cancerous tumor in the breast is composed of a mass of cancer cells that are growing in an abnormal, uncontrolled way. The tumor may invade surrounding tissue, or it may shed cells into the bloodstream or lymph system. If the tumor cells migrate beyond the original site and spread to other parts of the body, it is considered metastatic breast cancer.

A breast tumor requires treatment by surgery, and may require chemotherapy, radiation, targeted biological therapy, and hormonal therapy. When a breast tumor is found at an early stage of breast cancer, it is more likely to be successfully treated, to prevent its spread or recurrence.

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Source:

Dr. Dwight Kaufman. Diagnosis: Mammogram: Cancer (obvious) National Cancer Institute. February 1994.

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