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Clinical manifestations often include gastrointestinal hemorrhage, intestinal obstruction, or acute peritonitis. Prompt surgical intervention is essential in emergency presentations, both to control life\u2010threatening bleeding and to improve survival prospects. This report describes a rare case of jejunal melanoma presenting with massive gastrointestinal bleeding and an additional tumor with identical histological characteristics in the right parotid gland.<\/jats:p>","DOI":"10.1155\/cris\/4095444","type":"journal-article","created":{"date-parts":[[2026,4,18]],"date-time":"2026-04-18T08:05:01Z","timestamp":1776499501000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Acute Bleeding From Jejunal Malignant Melanoma With an Unusual Similar Lesion in the Right Parotid Gland"],"prefix":"10.1155","volume":"2026","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8469-5238","authenticated-orcid":false,"given":"Shumarova","family":"Svetlana","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Semkov","family":"Anatoli","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2026,4,18]]},"reference":[{"key":"e_1_2_10_1_2","doi-asserted-by":"publisher","DOI":"10.3390\/medsci9040063"},{"key":"e_1_2_10_2_2","doi-asserted-by":"publisher","DOI":"10.3390\/cells10020327"},{"key":"e_1_2_10_3_2","doi-asserted-by":"publisher","DOI":"10.3322\/caac.21660"},{"key":"e_1_2_10_4_2","doi-asserted-by":"publisher","DOI":"10.1186\/s12876-022-02254-5"},{"key":"e_1_2_10_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.amsu.2020.11.085"},{"key":"e_1_2_10_6_2","article-title":"Metastatic Melanoma to the Parotid Gland: A Case Report and Review of Current Diagnostic and Treatment Approaches","volume":"17","author":"Simou D. 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