retinoblastoma
English Thesaurus
1. malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells (noun.state)
| hypernym | : | malignant neoplasm, malignant tumor, metastatic tumor, |
| definition | : | a tumor that is malignant and tends to spread to other parts of the body (noun.state) |
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