C = Congenital Cyanotic heart disease L = Lung disease ( suppurative e.g. empyema thoracis, sepsis) U = Ulcerative colitis B = Bronchiectasis B = Bowel disease (IBD) I = Interstitial lung disease, Infective endocarditis N = Neoplasia ( lung cancer) G = Gland ( thyroid acropatchy)