Willa has ovarian cancer. An ovary is a female reproductive organ. In Willa’s case, the cancer began in the cells that cover the surface of her ovary. What type of cancer does Willa have?

Carcinomas begin in epithelial cells, which cover the surfaces of organs and line body structures. Since Willa’s cancer began in the cells covering the surface of her ovary, she has a carcinoma; sarcomas begin in connective tissues, while myelomas and lymphomas affect blood-related cells.

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