Pathophysiology Help

A 40-year-old man has chronic hepatitis B. What may be the cause
of his condition? Describe the pathophysiology of hepatitis B.
What are the signs of preicteric and icteric stages of acute
hepatitis?

What serum markers are found?
Is cirrhosis likely to develop and what pathophysiological
changes are taking place?

If the patient developed ascites, edema, esophageal varices, or
respiratory infections, what might be happening?

This must be at least two to three pages in APA Style with
references.. PLEASE DO NOT PLAGIARIZE!