Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40792-017-0316-0/MediaObjects/40792_2017_316_Fig1_HTML.gif)
Computed tomography (CT) findings. a Rectal hematoma (arrows) b Intraperitoneal free air (arrow heads) and bubbles in the rectal hematoma (arrows)
Computed tomography (CT) findings. a Rectal hematoma (arrows) b Intraperitoneal free air (arrow heads) and bubbles in the rectal hematoma (arrows)