Fig. 3From: Long-term survival without recurrence after surgery for gastric yolk sac tumor-like carcinoma: a case reportImmunohistochemical staining of the tumor shows the yolk sac tumor (YST) component is positive for alpha-fetoprotein (AFP), carcinoembryonic antigen (CEA) and p53. The adenocarcinoma (AC) component is positive for p53, but negative for AFP and CEABack to article page