肿瘤 zhǒngliú tumor
How to remember 肿瘤: 肿 swelling + 瘤 tumor = tumor.
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How it is used
- A tumor (medical) - 良性肿瘤 (liángxìng zhǒngliú) benign tumor, 恶性肿瘤 (èxìng zhǒngliú) malignant tumor.
- The clinical term; pairs with 良性 / 恶性 to mark benign vs malignant, and 恶性肿瘤 is the formal word for cancer alongside 癌症 (áizhèng).
- Register: medicine, health news.