Absent (type I) or incomplete (type II) fixation of the sphincter complex to the coccyx on CT scan
absent (type i) or incomplete (type ii) fixation of the sphincter complex to the coccyx on ct scan
Absent (type I) or incomplete (type II) fixation of the sphincter complex to the coccyx on CT scan
absent (type i) or incomplete (type ii) fixation of the sphincter complex to the coccyx on ct scan