STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Breast cancer. Coloured scanning electron micrograph (SEM) of a freeze-fractured section of a ductal carcinoma of a female breast. A mammary duct (centre) has cancerous cells (pink) lining its walls. These malignant cells have their origin in the epithelial lining of the ducts. The ducts channel milk to the nipple. Breast cancer is the most common cancer in women. The large majority of breast cancers are invasive ductal carcinomas such as this. Surgical removal may be combined with radiotherapy and chemotherapy. Magnification: x750 at 6x7cm size.
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