case_images: PMC5553492_01
case_images: Plain upright abdominal film showing displaced bowel loops to the left with large amount of stool in the colon.
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case_images: PMC5553492_01_10-1055-s-0037-1599820-i1600084ra-1.jpg
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case_images:  A supine and upright abdominal film showed bowel loops displaced to the left with a large amount of stool in the colon ( Fig. 1 ).
case_images: Abdominal computed tomography shows a large right retroperitoneal cystic lesion with displacement of the right kidney and bowel loops to the left.
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case_images: The cyst was displacing the right kidney and right colon medially ( Figs. 2 and 3 ).
case_images: Abdominal computed tomography (sagittal plane) showing a giant retroperitoneal cyst.
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case_images: The cyst was displacing the right kidney and right colon medially ( Figs. 2 and 3 ).
case_images: Laparoscopic view of the cyst wall noted behind the posterior peritoneum.
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case_images: Intraoperatively, the retroperitoneal location of the cyst was confirmed as the cyst wall was separated from visceral peritoneum with ease ( Fig. 4 ).
case_images: Macroscopic view of the surgical specimen shows thick cystic wall.
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case_images: FI1600084ra-5
case_images: Macroscopically, the cyst appeared to have thick walls and measured approximately 28 x 17 cm in size and containing 6 L of clear liquid ( Fig. 5 ).
case_images: Serous cystadenoma: fibrous tissue lined by mostly single-layer cuboidal or columnar serous epithelium (arrows) with tubal metaplasia. There is no ovarian tissue or mucinous epithelium. No cellular atypia (H & E x 100).
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case_images: Histopathology revealed a benign serous cystadenoma ( Fig. 6 ).