Deparment of Radiology Xinhua Hospital School of Medicine Shanghai Jiaotong University Shanghai 200092 China;
Deparment of Radiology Xinhua Hospital School of Medicine Shanghai Jiaotong University Shanghai 200092 China;
Deparment of Radiology Xinhua Hospital School of Medicine Shanghai Jiaotong University Shanghai 200092 China;
Deparment of Radiology Xinhua Hospital School of Medicine Shanghai Jiaotong University Shanghai 200092 China;
urinary malformation; pulmonary hypoplasia; MR; fetus;