title: [Histopathological study on the choroidal malignant melanoma. I. The mode of tumor invasion into the retinal pigment epithelial layer].
mesh_terms: D002830:Choroid Neoplasms / Q000473:pathology* / Q000648:ultrastructure; D006801:Humans; D008545:Melanoma / Q000473:pathology* / Q000648:ultrastructure; D008854:Microscopy, Electron; D009361:Neoplasm Invasiveness; D010857:Pigment Epithelium of Eye / Q000648:ultrastructure*