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Artificial pneumothorax for radiofrequency ablation of hepatic dome hepatocellular carcinoma in a 69-year-old man. A: Axial T2WI magnetic resonance imaging shows A 4 cm lesion (arrow) in the hepatic dome; B: Artificial pneumothorax was created after instillation of intrapleural air. A chest tube was placed for drainage (arrow); C: Intra-procedural computed tomography shows radiofrequency electrode within the lesion for a successful ablation (black arrow).
