Adenocarcinoma/metabolism; Carcinoma, Large Cell/metabolism; Carcinoma, Non-Small-Cell Lung/metabolism; Carcinoma, Squamous Cell/metabolism; Intracellular Signaling Peptides and Proteins/metabolism; Lung Neoplasms/metabolism; Adenocarcinoma/mortality; Adenocarcinoma/pathology; Adult; Aged; Blotting, Western; Carcinoma, Large Cell/mortality; Carcinoma, Large Cell/pathology; Carcinoma, Non-Small-Cell Lung/mortality; Carcinoma, Non-Small-Cell Lung/pathology; Carcinoma, Squamous Cell/mortality; Carcinoma, Squamous Cell/pathology; Case-Control Studies; Female; Humans; Immunoenzyme Techniques; Lung/metabolism; Lung Neoplasms/mortality; Lung Neoplasms/pathology; Lymphatic Metastasis; Male; Middle Aged; Neoplasm Invasiveness; Neoplasm Staging; Prognosis; Retrospective Studies; Survival Rate; Trans-Activators; Transcription Factors; Transcriptional Coactivator with PDZ-Binding Motif Proteins; Tumor Cells, Cultured