Fig. 1: Image descriptions: the amount and distribution of cancer cells and fibrosis are often very heterogeneous across the different tumor areas, both in non-treated and treated patient.

Representative micrographs 1 and 2 show two distinct areas from the same pancreatic specimen that was treated with neoadjuvant chemotherapy. Representative micrographs 3 and 4 show two distinct areas from the same pancreatic specimen that was not treated with neoadjuvant chemotherapy.