NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,036 terms related to cancer and medicine.

optic pathway glioma
(OP-tik ... glee-OH-muh)
A rare, slow-growing tumor that usually forms in the optic nerve, optic chiasm, or optic tract. These are parts of the nervous system that carry messages from the eye to the brain. Also called visual pathway glioma.