Fig. 19From: Magnetic resonance imaging (MRI) in rectal cancer: a comprehensive reviewAxial (a) and parasagittal (b) TSE images (1.5 T) of a tumour recurrence (arrows). The tumour is an expansive mass located asymmetrically in front of the sacrum, lying against the piriformis muscle (black arrow) and the pelvic floor dorsally (dotted arrow)Back to article page