sentence: Some symptoms are hoarseness, loss of voice, pain in the throat or ears, and breathing difficulties.
sentences_before: There are several things that can cause a larynx to not function properly.
sentences_after: Larynx transplant is not done very often. The world's first successful operation took place in 1998 at the Cleveland Clinic, and the second took place in October 2010 at the University of California Medical Center in Sacramento.
concept_name: symptom
headings: Larynx Disorders of the larynx
categories: Anatomy of the respiratory system