This well-illustrated textbook covers the full range of lung and pleural diseases from the pathologic standpoint. It has been updated from the second edition by including the most recent molecular data for the different lung diseases, tumor as well as non-tumor ones. New diagnostic tests are included, new aspects for the understanding of diseases have been added. Both diseases of adults and pediatric lung diseases are presented. The chapter on lung development has been expanded due to the many new findings being reported since the last edition.