NCIt definition : Paroxysmal and severe flank pain radiating to the inguinal area. It is caused by the
passage of a kidney stone through the ureter.;
Alternative definition : NICHD: Paroxysmal and severe flank or abdominal pain that is associated with obstruction
of urine flow.; CTCAE: A disorder characterized by paroxysmal and severe flank marked discomfort radiating
to the inguinal area. Often, the cause is the passage of kidney stones.;