Assertion: balloon dilator | /r/HasProperty | greater than 30 mm
Facets:
value: in diameter
type: OTHER
Source sentences:
text: Dilation by balloon greater than 30 mm diameter for treatment of achalasia: When esophageal dilation is being performed to treat achalasia, the muscle fibers of the lower esophageal sphincter are broken and not just stretched with a balloon dilator that is greater than 30 mm in diameter.