MRI showed there is the redemonstration of a defect at the anterior aspect of the sacrum opposite the S4/S5 level with herniation of a sizable lipoma into the presacral space measuring 2.8 x 2.2 x 3 cm (blue arrow)The distended colon is seen compressing and displacing the urinary bladder anteriorly and superiorly (yellow arrow). A sacrococcygeal osseous defect is detected (red arrow).