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Pulmonary CT images before and after treatment. (a) Radiofrequency ablation was performed for right lower lobe peripheral lung cancer. Radioactive particle implantation was performed immediately after operation. (b) At 3 months after operation, a small amount of tissue necrosis and void formation observed in the ablation and implantation areas. (c) Six months after operation, the tumor necrosis was obvious, forming a large cavity, and the treatment effect was remarkable.
