Appearance can be deceptive: A case report on raised CA 19-9 in a patient with cholecystitis and without evidence of malignancy. Bangladesh J Med Sci [Internet]. 2024 Jul. 29 [cited 2026 Jun. 25];23(3):869-72. Available from: https://www.banglajol.info/index.php/BJMS/article/view/75122