This is a very large malignant neoplasm of ovary in a young woman.

这是一例年轻女性的巨大卵巢恶性肿瘤。

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However, neoplasm was relatively less and malignant mass was rare.

而实质性肿瘤相对较少，恶性者更为罕见。

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However, neoplasm was relatively less and malignant mass was rare.

而实质性肿瘤相对较少，恶性者更为罕见。

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