From the case:
Ureterocele
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/10308/annotated_viewer_json?lang=us"}
Bilateral ureteroceles, larger on the left.
The bulbous head (ureterocele) on the end of a linear body (ureter) has been liked to the appearance of a cobra's head.