Assertion: tympanostomy tube | /r/AtLocation | the eardrum
Facets:
value: generally
type: DEGREE
value: for six months to two years
type: TEMPORAL
value: with lasting up to four years
type: OTHER
Source sentences:
text: Tympanostomy tubes generally remain in the eardrum for six months to two years, with T-tubes lasting up to four years.