DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Breast cancer. Coloured X-ray of a sample of tissue excised from a woman's breast that contains a malignant (cancerous) tumour (pale area at upper left). A metal guide wire is seen running into the tissue sample, along with guide clips (white pellets). These were used to locate the cancer during wide local excision (WLE) surgery.
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