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Divergence of stromal and cancer cell-related features in the four pancreatic cancer patterns. Representative microphotographs of hematoxylin and eosin (H&E) staining and (immuno-)histochemistry for selected features (200x; scale bar = 100 μm) are shown. ALDH1, aldehyde dehydrogenase 1; CAV1, caveolin-1; Col I, collagen I; HA, hyaluronan; H&E, hematoxylin and eosin; FN, fibronectin; ITGα5, integrinα5; MMP14, matrix metalloproteinase 14.
