Fibroblasts/pathology; Lung Diseases/pathology; Adenocarcinoma/metabolism; Adenocarcinoma/pathology; Adenocarcinoma of Lung; Adolescent; Adult; Aged; Cadherins/metabolism; Endopeptidases; Female; Fibroblasts/metabolism; Gelatinases/metabolism; Humans; Immunohistochemistry; Lung/cytology; Lung/metabolism; Lung Diseases/metabolism; Lung Neoplasms/metabolism; Lung Neoplasms/pathology; Lymphatic Metastasis; Male; Membrane Proteins/metabolism; Middle Aged; Nuclear Proteins/metabolism; Phenotype; Serine Endopeptidases/metabolism; Transforming Growth Factor beta/metabolism; Twist-Related Protein 1/metabolism; Young Adult