My health

Patient: Hi just a question i would like to ask I had an upper endoscopy two weeks ago and was diagnosed with oesophagu hiatus hernia oesophagitis reflux and ulcer and slso might be a barretts segmant plus i have 3 douodenm ulcers pluss sever inflammation can you help me please is it sereos and what dose a crade c of the oesophagitis mean