PLAUR and neoplasm: Median TIS in the tumor bed and adjacent pre-existent mucosa was respectively 0 (range 0–12) and 9 (range 0–12) for CEA, 0 (range 0–12) and 12 (range 0–12) for EpCAM, 0 (range 0–12) and 6 (range 0–12) for αvβ6, and 3.5 (range 0–12) and 1 (range 0–12) for uPAR.