High Immune Cell Score Predicts Improved Survival in Pancreatic Cancer

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Increasing evidence suggests that cancer progression is strongly influenced by host immune response, which is represented by immune cell infiltrates.

T-lymphocyte-based immunoscore has proved to be a prognostic factor in colon cancer, but its significance in pancreatic cancer is poorly known. Total of 108 patients operated (R0/R1) for pancreatic ductal adenocarcinoma (PDAC) (TNM stage I–II) were included in the study.

Immune cell score (IS) was determined by scoring the samples from grade 0 to 4 according to the number of immune cells (CD3+ and CD8+) in tumor core and invasion margin using tissue microarrays, immunohistochemistry, and digital analysis. Tumors with microsatellite instability were identified by MLH1 immunostaining. Read more . . .