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The routine management of pulmonary nodules includes biopsy and pneumonectomy.

Complications such as pneumothorax and hemothorax are easy to occur during biopsy.

There are risks of tumor cell shedding and metastasis. It is difficult to realize diagnosis because of the small amount of routine biopsy tissue.

Pulmonary resection is not the most appropriate treatment option for elderly patients who are intolerant to anesthesia, special weakness population, postoperative recurrence, recurrence of nodules and metastases.

With the continuous development of medical science and technology, tumor treatment has entered an era of “accurate diagnosis and treatment”.

Cryoablation is a new diagnosis and treatment method for pulmonary nodules, and it is suitable for the ablation of solid tumors in many parts under the frozen state.