Patient: Description (onset time, main symptoms, hospital visited, etc.): HCG 160 after three times of gravida clearance, and 200 after 7 weeks of rechecking.
Ren Tong, Department of Gynecology, Peking Union Medical College Hospital: Lung CT examination is recommended to exclude lung metastasis. If the HCG level is at the plateau for 3 consecutive weeks or if the HCG level increases rather than decreases for 2 consecutive weeks, it should be an erosive staph. It is also known as malignant staph