Morphological variants of pancreatic adenocarcinoma, recognised from the World Health and fitness Organisation classification of pancreatic tumours have different histological features in contrast to standard pancreatic adenocarcinomas. Even though genetic mutations are stable and irreversible, epigenetic alterations are dynamic and reversible; that may be, there are several epigenome... https://directivepublications.org/world-journal-of-clinical-cancer-research/