Molecular Imaging 2017

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Nodal Assessment
 Regional lymph nodes:
 Mesorectal
 99% within 5cm
proximal to tumour
 78% at level of tumour*
 Sigmoid mesenteric
 Inferior mesenteric
 Lateral sacral, pre-sacral
 Internal iliac
 Superior, middle or
inferior rectal
Right internal iliac node
& mesorectal node
*Koh DM et al. Eur Radiol 2005; 1650-7
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