Fatty densities on CT.
D000273:Adipose Tissue / Q000000981:diagnostic imaging*; D000368:Aged; D006801:Humans; D008068:Lipomatosis / Q000000981:diagnostic imaging*; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed