[ noun ] malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells <noun.state>
"It may well be that the majority of small-cell lung cancers involve a lesion in the retinoblastoma gene as well as several others," said White.
"If we can understand the way in which retinoblastoma functions, we might be able to apply that to treatment of some of these forms of cancer," Robbins said.