Abundantly illustrated with over 1300 color images on 108 plates, this atlas presents not only the usual cytohistologic patterns of various disease entities, but also focuses on challenging differential diagnostic problems and depicts the differentiating features. Over 75 tables summarize cytologic criteria and differentiating features. A must-have reference for pathologists, pathology residents, cytopathologists, cytotechnology students, cytotechnologists as well as pulmonologists.