A team of researchers recently set out to investigate PD-L1 and PD-1 expression in non-hereditary, non-ampullary SBAs, associated with celiac disease, Crohn’s disease, or sporadic, recruited through the Small Bowel Cancer Italian Consortium.
The researchers assessed PD-L1 and PD-1 by immunohistochemistry in a series of 121 surgically resected SBAs, including 34 celiac disease-SBAs, 49 CrD-SBAs, and 38 sporadic SBAs. They found that expression of PD-...
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