Fig. 1From: Stereotactic ablative brachytherapy versus percutaneous microwave ablation as salvage treatments for lung oligometastasis from colorectal cancerA representative case of brachytherapy. A A metastatic lesion adjacent to the right hilum (yellow arrow). B Treatment plan before brachytherapy (red region—D90 coverage area; green line—delineated organ at risk). C CT scan after brachytherapy (high-density dots—implanted iodine-125 seeds). D Follow-up CT at 16 monthsBack to article page