Introduction: Pancreatic cancer, especially Pancreatic Adenocarcinoma, is still associated with a high mortality and morbidity for affected patients notwithstanding considerable progresses in diagnosis and both surgical pharmacological therapy. Despite metastases from colorectal, gastric and neuroendocrine primary tumor and their treatment are widely reported, the literature has been rarely investigated the impact of localization and numbers of pancreatic metastases. This study performed a systematic analysis of the most recent scientific literature on the natural history of Pancreatic Adenocarcinoma focusing attention on the role that the "M" parameter has on a possible prognostic stratification of these patients.
Material and methods: PubMed and Science Direct databases were searched for relevant articles on these issue.
Results: Initial database searches yielded 7231 studies from PubMed and 29101 from Science Direct. We evaluated 1031 eligible full text articles.
Conclusions: An updated insight into the world of Pancreatic Tumors might help physicians in better evaluating mechanisms of metastases, patients selection and survival and in programming appropriate interventions to modify the worst outcomes of advanced disease.
Keywords: Pancreatic adenocarcinoma; Pancreatic metastases; Prognostic factors; Surgery.
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