Robot-assisted CT-guided cryoablation of pulmonary metastases: an IDEAL stage 2a prospective development study

Question Robotic-assisted CT-guided cryoablation of lung metastases is feasible and safe, achieving high targeting accuracy and minimal probe manipulation, even in anatomically challenging cases. Findings Robotic trajectory planning supported complex multiprobe configurations. Procedural refinements-including patient positioning, probe selection, and adoption of "chopstick" configurations-were introduced to address bleeding risk and optimise energy delivery. Clinical relevance Robot-assisted navigation is particularly advantageous in cryoablation, enabling minimal manipulations and accurate probe placement despite the often-necessary complex trajectories.