BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY
Ovarian tumour. Light micrograph of a section through a malignant (cancerous) serous cystic tumour in an ovary. This form of tumour is known as a serous papillary cystadenocarcinoma. These tumours develop as large masses, virtually replacing the ovary. In this malignant variety the papillary ingrowths (frond-like) can be seen filling the cystic cavity.
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