Assertion: portal vein thrombosis | /r/CapableOf | develop esophageal
Facets:
value: gradually
type: MANNER
Source sentences:
text: Portal Vein Thrombosis is a relatively asymptomatic medical condition which gradually develops and once it advances to cause related disorders like esophageal or gastric varices which may bleed profusely then the affected individual may experience hemoptysis.