Fig. 2From: Evaluation of the clinical benefit of an electromagnetic navigation system for CT-guided interventional radiology procedures in the thoraco-abdominal region compared with conventional CT guidance (CTNAV II): study protocol for a randomised controlled trialClinical trial overview. CT Computed tomography, CT group Active comparator arm in which procedures are carried out guided by conventional computed tomography, NAV group Experimental arm of the trial in which procedures are carried out using navigation assistanceBack to article page