Assertion: proliferative diabetic retinopathy | /r/CapableOf | remain asymptomatic
Facets:
value: for a very long time
type: TEMPORAL
value: even so
type: DEGREE
Source sentences:
text: Even so, the advanced proliferative diabetic retinopathy (PDR) can remain asymptomatic for a very long time, and so should be monitored closely with regular checkups.