Chronic beryllium disease (CBD) is a granulomatous, interstitial lung disease that occurs in individuals who develop beryllium sensitization (BeS), a cell-mediated immune response to environmental and occupational beryllium exposure. BeS precedes the lung disease that may present with chronic dry cough, fatigue, weight loss, chest pain, and increasing dyspnea.

Colitis refers to an inflammation of the colon and is often used to describe an inflammation of the large intestine (colon, cecum and rectum). Colitides may be acute and self-limited or chronic, and broadly fit into the category of digestive diseases.