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The article discusses the study on the necessity of distinguishing alcoholic and nonalcoholic chronic pancreatitis. According to the study, it is essential to determine the etiology of chronic pancreatitis because types of pancreatitis that are treatable need to be distinguished from pancreatitis varieties that are not yet treatable, but may become so. In was concluded that the clinical presentation and the course of the disease and the risk to develop pancreatic cancer may vary from etiology.

Background: Patients with chronic pancreatitis (CP) have an increased risk of pancreatic cancer. We present the international consensus guidelines for surveillance of pancreatic cancer in CP., Methods: The international group evaluated 10 statements generated from evidence on 5 questions relating to pancreatic cancer in CP. The GRADE approach was used to evaluate the level of evidence available per statement. The working group voted on each statement for strength of agreement, using a nine-point Likert scale in order to calculate Cronbach's alpha reliability coefficient., Results: In the following domains there was strong consensus: (1) the risk of pancreatic cancer in affected individuals with hereditary pancreatitis due to inherited PRSS1 mutations is high enough to justify surveillance; (2) the risk of pancreatic cancer in patients with CP associated with SPINK1 p. N34S is not high enough to justify surveillance; (3) surveillance should be undertaken in pancreatic specialist centers; (4) surveillance should only be introduced after the age of 40 years and stopped when the patient would no longer be suitable for surgical intervention. All patients with CP should be advised to lead a healthy lifestyle aimed at avoiding risk factors for progression of CP and pancreatic cancer. There was only moderate or weak agreement on the best methods of screening and surveillance in other types of environmental, familial and genetic forms of CP., Conclusions: Patients with inherited PRSS1 mutations should undergo surveillance for pancreatic cancer, but the best methods for cancer detection need further investigation., Competing Interests: Declaration of competing interest JPN reports grants from NUCANA, Stiftung Deutsche Krebshilfe and Heidelberger Stiftung Chirurgie all outside of the submitted work; DCW is co-founder of Ariel Precision Medicine and may have equity., (Copyright © 2020 IAP and EPC. Published by Elsevier B.V. All rights reserved.)