The surveillance for malignancy included gynecological sonography, breast sonography, pelvis MRI, CSF cytology, peripheral blood smear, tumor markers (CA199 3.12 U/ml, CA153 12.8 U/ml, CEA <0.50 ng/ml, AFP 11.9 ng/ml, SCC 1.70 ng/ml, CA125 487.7 U/ml possibly related to endometriosis, beta HCG 144,559 mIU/ml during pregnancy), and contrast‐enhanced chest computed tomography (after termination of pregnancy). The gene discussed is AFP; the disease is endometriosis.