Congenital focal eventration of the left hemidiaphragm: diagnostic dilemma resolved on prenatal MRI.

A 28-year-old woman, G2A1, was referred to our institute at 24 weeks of gestation with a prenatal ultrasound diagnosis of left-sided congenital diaphragmatic hernia (CDH) in the fetus. Combined first trimester screen revealed a low risk for aneuploidy. A repeat ultrasound at 26 weeks of gestation at