Pneumomediastinum is a rare condition. Epidemiology of pneumomediastinum reflects the epidemiology of diseases associated with the condition.
What is pneumomediastinum, and what are its epidemiological and demographic characteristics?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is pneumomediastinum, and what are its epidemiological and demographic characteristics? [/INST] \n Pneumomediastinum is a rare condition. Epidemiology of pneumomediastinum reflects the epidemiology of diseases associated with the condition.</s>