Pneumonotomy refers to the surgical procedure of making an incision into the lung. This procedure is typically performed to remove tumors or cysts in the lung or to repair damaged lung tissue. Some synonyms for pneumonotomy include thoracotomy, lobectomy, and pulmonary resection. Thoracotomy refers to a surgical procedure in which an incision is made into the chest to gain access to the organs in the chest cavity, including the lungs. A lobectomy is a surgical procedure in which a lobe of the lung is removed, typically due to cancer or infection. Pulmonary resection refers to any surgical procedure that involves the repair or removal of lung tissue.