Assertion: pericarditis's symptom | /r/CapableOf | remain mild
Facets:
value: for a prolonged period of time
type: TEMPORAL
Source sentences:
text: With certain causes of pericarditis, particularly those that contribute to granulomatous pericarditis like TB, fungal infections, sarcoidosis and rheumatic fever, the symptoms may develop gradually and remain mild for a prolonged period of time.