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Objective The aim of our study was to introduce the surgical method and evaluate the efficacy of double sleeve lobectomy of the bronchus and the pulmonary artery in treatment for the central lung cancer.

To summarize the experience of carinal resection and bronchial sleeve lobectomy in the treatment of 105 patients with central lung cancer from November, 1991, to November, 2001.A total of 105 patients with central lung cancer underwent pulmonary resection. Carinal resection and reconstruction was performed in 19 patients, bronchial sleeve resection in 81, and bronchial sleeve combined with pulmonary artery sleeve lobectomy in 5.There was no operative mortality. Postoperative complications such as anastomotic leakage, cardiac arrhythmia, asthma, pulmonary atelectasis occurred in 10.5% of total group. The 1-, 3- and 5- year survival rates were 89.9%, 60.0% and 47.2%, respectively.Bronchial sleeve lobectomy and double-sleeve lobectomy are capable of excising pulmonary tumor as much as possible while remaining healthy lung tissues. Carinal resection and reconstruction is helpful to extend the surgical indication.

To study the metastatic pattern of thoracic lymph nodes in patients with resectable lung cancer.From January 1992 to December 2000, radical lobectomy or pneumonectomy and systemic lymphadenectomy were performed in 306 patients with lung cancer. Number, size, colour and hardness of lymph nodes in each region were recorded and neoplastic metastasis was examined by pathology.Out of 4 614 resected lymph nodes from 2 456 regions, 954 lymph nodes from 521 regions were confirmed to have metastasis. The metastatic rates of thoracic lymph nodes and mediastinal lymph nodes were 61.8% and 43.5% , respectively. The metastatic frequencies in regions around the hilar or root of lung (11,10,7,5,4) were higher than those of regions far from the root of lung (9,6,3,2,1). There was a remarkably higher metastatic rate of lymph nodes in small cell lung cancer than that in non small cell lung cancer (P0.01 ). The metastatic rate was closely related to size, colour and hardness of lymph nodes (P0.001, P0.001 , P0.001 ).Most of neoplastic metastasis of lymph nodes spreads from proximal to distal areas, lower to upper regions, and from the hilar to the mediastinal. A few mediastinal lymph nodes show a skipping pattern. It is necessary to perform systemic lymphadenectomy during pulmonary resection.