VIM and neoplasm: For vimentin, there is negative staining of the protein in normal tissues (Panels A (tissue ID # 2053) and B (tissue ID # 2098)) but there is strong staining for the protein in both the cytoplasm and membranous structures in the cells from medium grade adenocarcinoma tumor tissues (Panels C (tissue ID # 613) and D (tissue ID # 244)) (Figure 9).