Fig. 2From: Comparison of CT derived body composition at the thoracic T4 and T12 with lumbar L3 vertebral levels and their utility in patients with rectal cancerCT imaging illustrating an example of muscle composition at the T4, T12 and L3 levels, in a 73 year old male. a Sagittal CT image utilised to identify individual vertebral levels. b Transverse CT image at T4 highlighting the segmented total area (SMI. 32.9cm2/m2). c Transverse CT image at T12 highlighting the segmented total area (SMI 18.2cm2/m2). d Transverse CT image at L3 highlighting the segmented total area (SMI. 28.2cm2/m2)Back to article page