Fig. 2From: Clinical application of computed tomography-guided 125I seed interstitial implantation for head and neck cancer patients with unmanageable cervical lymph node metastasesPre-implantation and post-implantation photos of the patient. a–c Masses in the neck of the patient before implantation. Neck masses were pointed by arrowheads. d Post-implantation photo shows that the neck masses are significantly reduced at 3 months after implantationBack to article page