Lower GI 2017

6 patients (2.5%) imaging unavailable for review

The Royal Marsden

236 patients enrolled

T Vuong, A Garant, G Artho R Lisbona McGill University Health Centre

230 patients with all imaging available

Whole group: 33/230 (14.3%) distant mets on PET/CT

94 low risk

136 high risk

Odds Ratio 4.6 (95% CI 2.9- 14.4)

5/94 (5.3%) distant mets on PET/CT

28/136 (20.6%) distant mets on PET/CT

P=0.001

Same mets

CT Mets & more mets on PET/CT 8/136 (5.9%)

Same mets

CT mets & more mets on PET/CT 2/94 (2.1%)

Mets only on PET/CT 10/136 (7.4%)

Mets only on PET/CT 1/94 (1.1%)

PET/CT and CT 10/136 (7.4%)

PET/CT and CT 2/94 (2.1%)

Odds ratio 4.6 (95% CI 1.3- 16.2) P=0.01

Any mets on PET/CT not CT 18/136 (13.2%)

Any mets on PET/CT not CT 3/94 (3.2%)