C
- Cardiac Sarcoma
- Cardiomyopathy
- Carotid Artery Disease
- Cataract
- Cerebral Palsy
- Cervical Cancer
- Chondroblastoma
- Chondrosarcoma
- Chron's Disease
- Chronic Kidney Disease
- Chronic Lymphocytic Leukemia
- Chronic Myelogenous Leukemia
- Coronary Chronic Total Occlusion
- Chronic Obstructive Pulmonary Disease
- Chronic Venous Insufficiency
- Claudication
- Colon Cancer
- Congenital Cystic Adenomatoid Malformation
- Congenital Diaphragmatic Hernia
- Congenital Heart Disease
- Conjunctivitis (Pink Eye)
- Coronary Artery Disease
- Coronavirus
- Crossed Eyes (Strabismus)
- Cutaneous T-Cell Lymphoma
- Cystic Fibrosis