Assertion: mitral valve prolapse's symptom | /r/HasProperty | mild
Facets:
value: usually
type: DEGREE
value: in nature
type: LOCATION
Source sentences:
text: Symptoms of mitral valve prolapse can be mild or develop gradually.
text: The symptoms tend to be mild but develop gradually.
text: The above listed symptoms are usually mild in nature and are noticed at the very initial onset of mitral valve disease.