The blood vessels of retinoblastomas.
D009369:Neoplasms; D018241:Neuroectodermal Tumors, Primitive, Peripheral / Q000097:blood*; D012160:Retina; D019572:Retinal Neoplasms; D012175:Retinoblastoma
NEUROEPITHELIOMA/blood; RETINA/neoplasms