title: Parapelvic cyst vs. hydronephrosis on coronal sonography.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D006869:Hydronephrosis / Q000175:diagnosis*; D052177:Kidney Diseases, Cystic / Q000175:diagnosis*; D007682:Kidney Pelvis; D014463:Ultrasonography