Inflammatory cell infiltrates in advanced metastatic uveal melanoma

Current treatments for metastatic uveal melanoma (mUM) are limited and rarely prolong patient survival. Immunotherapy trials for mUM are few, and to-date have demonstrated only marginal success. High densities of tumour-associated-macrophages (TAMs) and infiltrating T-lymphocytes (TILs) in primary UM are associated with poor prognosis. Little is known about the immune microenvironment of mUM. Our aim was to examine the presence and distribution of TAMs and TILs in mUM within the liver. Whole tissue-sections of liver mUM (n=35) were examined by immunohistochemistry.

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