Chief complaint Epigastric pain for a few months. John, 28-year old, male.
Medical History The patient has had for more than one year. Two months ago, the patient had severe epiagstric pain and visited his regular doctor and had his liver checked. The result showed that the functions of the liver were normal, but HBsAg was ++. He has had eaten some Chinese herbs for regulation of the spleen and stomach functions and got better, but he still has epigastric pain when ever he stops taking the herbs.