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Figure 1: (a) Base of the brain showing milky white and shiny appearance of the leptomeninges; (b) metastatic papillary adenocarcinoma infiltrating the sub-arachnoid space (H and E, ×250); (c) A distinct granularity and sub-centimetric protrusions (arrows) are present over the surface of the right occipital lobe; (d) The Virchow–Robin spaces show the vessels surrounded by adenocarcinoma (H and E, ×250)

Figure 1: (a) Base of the brain showing milky white and shiny appearance of the leptomeninges; (b)<b></b> metastatic papillary adenocarcinoma infiltrating the sub-arachnoid space (H and E, ×250); (c) A distinct granularity and sub-centimetric protrusions (arrows) are present over the surface of the right occipital lobe; (d) The Virchow–Robin spaces show the vessels surrounded by adenocarcinoma (H and E, ×250)