A 27 year old woman presents to her physician complaining of abnormal vaginal bleeding. She gave birth to her second child 8 weeks ago through uncomplicated vaginal delivery. On examination, the uterus is enlarged. Her lab tests show marked increased HCG. Her chest x-ray shows multiple nodules on both lungs. Her physician performs endometrial curettage. http://medical-usmle.com/?p=1110
