To obtain tissue microarrays from 200 pancreatic cancer cases with clinical data from Heidelberg. Dr. Gaida is a Board certified pathologist and helps with the pathological evaluation of tumor slides and also quantitation of immunohistochemically stained slides for our targets of interest. He is also contributing to the generation of Tissue microarray from the pancreatic cancer Dr. Jens Werner is a surgeon and has provided tumor samples from patients with pancreatic cancer to produce tumor microarrays, which we are using in our studies.