4 Midgut tumors are frequently diagnosed incidentally, but can also be diagnosed on the basis of the symptoms of carcinoid syndrome, or following presentation with intestinal obstruction.

Asthma and COPD are the most commonly diagnosed chronic lung diseases. Both involve inflammation of the airways, obstruction of ... on a single definition of the syndrome. Because ACOS means ...

Constrictive bronchiolitis obliterans is an important respiratory illness because ... early inspiratory crackles and irreversible airflow obstruction by pulmonary function testing.