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Publication Name
World Journal of Gastrointestinal Surgery
ISSN
1948-9366
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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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©The Author(s) 2021.
World J Gastrointest Surg. Jul 27, 2021; 13(7): 620-632
Published online Jul 27, 2021. doi: 10.4240/wjgs.v13.i7.620
Table 1 Etiology of gastric outlet obstruction[1,2]
Malignant causesBenign causes
Pancreatic cancerPeptic ulcer
Gastric cancerHypertrophic pyloric obstruction
CholangiocarcinomaGastric polyp
Gallbladder cancerCaustic ingestion
Duodenal cancerIatrogenic
Ampullary cancerGastric/duodenal tuberculosis
Other1Prepyloric web
1Non-Hodgkin’s lymphoma, intraabdominal small cell sarcoma; metastatic and/or primary tumors of the lung, breast, ovary, kidney, urinary tract or colon; and tumor around the head of the pancreas
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