ADORA2A and mucinous neoplasm: CD73 and A2AR expression levels differed significantly according to histological subtype; CD73 expression levels were significantly higher in lepidic, acinar, papillary, and solid vs. invasive mucinous tumors, whereas A2AR expression levels were significantly higher in lepidic vs. acinar, solid, and invasive mucinous tumors (Supplementary Figure 2).