Fig. 2From: Correlation between modified CT severity index and retroperitoneal extension using the interfascial planes in the grading of clinically suspected acute severe pancreatitisGrade I acute pancreatitis with modified CTSI (mild score 4). a CT scan at the level of the kidney shows fluid collection spreading into the retromesenteric plane (white star). b CT scan of different patients at the level of the kidney shows fluid collection spreading into the retromesenteric plane (white star)Back to article page