Our results suggest that increased MET GCN would be an independent poor prognostic factor in SCC of the lung.

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The purpose of this study was to investigate the prognostic value of tumour-associated macrophages with a focus on microanatomical localisation and determine whether molecular changes of the epidermal growth factor receptor (EGFR) are related to macrophage infiltration in resected non-small cell lung cancer (NSCLC). One hundred and forty-four patients were included in this study. Immunohistochemistry was used to identify CD68 þ macrophages in the tumour islet and surrounding stroma. Epidermal growth factor receptor mutations were studied by direct sequencing. The EGFR gene copy number and protein expression were analysed by fluorescence in situ hybridisation and immunohistochemistry. Patients with a high tumour islet macrophage density survived longer than did the patient with a low tumour islet macrophage density (5-year overall survival rate was 63.9 vs 38.9%, P ¼ 0.0002). A multivariate Cox proportional hazard analysis revealed that the tumour islet macrophage count was an independent prognostic factor for survival (hazard ratio 0.471, 95% confidence interval 0.300 -0.740). However, EGFR mutations, gene copy number, and protein expression were not related to the macrophage infiltration. In conclusion, tumour islet macrophage infiltration was identified as a strong favourable independent prognostic marker for survival but not correlated with the molecular changes of the EGFR in patients with resected NSCLC.

Pneumonectomy could be performed with acceptable mortality and morbidity, and could achieve satisfactory long-term survival for the treatment of tuberculosis. In patients with risk factors, special care is recommended to prevent postoperative empyema or bronchopleural fistula.

Our results suggest that routine early repair of pectus excavatum in patients older than 3 years of age is safe and effective. We would recommend early repair to avoid asymmetry transformation of the deformity and to enhance the patients' growth potential.

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A wider extent of lymphadenectomy in esophageal cancer was associated with better long-term survival than limited lymphadenectomy, especially in N0 patients. In addition, increased survival was found to be inversely associated with locoregional recurrence.