From the case:
Vidian canal
{"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/37665/annotated_viewer_json?lang=us"}
Vidian canal (VC) is well seen on the right passing to the pterygopalatine fossa (PPF). It contains the vidian artery, a branch from the internal carotid artery (ICA)
Unable to process the form. Check for errors and try again.