Fig. 2
From: Cryoablation of cardiophrenic angle lymph node metastases: a case report
Intraoperative images of the patient. a Computed tomography image before cryoablation; the arrow indicates the tumor. b An 18G needle (arrow) was inserted into the pericardium and 200 mL of 0.9% saline solution was injected. c The thick arrow indicates the cryoprobes and the thin arrow indicates the 18G needle. d Computed tomography image of the ice ball (pink arrow) taken during the procedure to confirm that the ice ball had reached a sufficient size (3.5 × 3 × 2.8 cm3). The pink arrow indicates the cryoprobe