She also serves as Chief of Otolaryngology-Head and Neck Surgery and President of the medical staff at Parkland Health and Hospital Systems. As a general otolaryngologist, Dr. Chan-Leveno treats the full spectrum of ENT (ear, nose, and throat) conditions, including obstructive sleep apnea, malignancies of the head and neck, dysphagia, autoimmune disease, severe throat or ear pain, and anatomical abnormalities. Tweets by @UTSWNews