noun[mass noun] Medicine
A rare malignant tumour of the retina, affecting young children.
- The major controversy, however, is the actual magnitude of the risk of second tumors among survivors of retinoblastoma.
- The most urgent diagnosis is retinoblastoma, a malignancy most likely arising from retinal germ cells.
- Village farmer brings grandson Paarsha to the town doctor only to learn that the child is a one-in-a-million victim of the rare retinoblastoma.
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Line breaks: ret¦ino|blast|oma
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