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Hi, I have an oesophageal ulcer which they graded on the savary millers system as grade 4 at my first endoscopy. When I had my second endoscopy last week they've now staged it at grade D - "Grade D One (or more) mucosal break which involves at least 75% of the esophageal circumference" Can anyone explain this please? Does it mean that 75% of the whole oesophagus is affected or 75% of the area at the ulcer? Thanks for your help, Heather
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