A recurrence system can be solved by finding and solving its closed form. A closed form is easily found for simple arithmetic or geometric recurrence systems, but may be hard to find for recurrence systems of a more complex nature. In this case, the recurrence system can be solved recursively.

Relentless Recurrence was created on 2007-06-26.

Rubber band ligation has a 30-50% recurrence rate within five to 10 years of the procedure whereas surgical resection of hemorrhoids has only a 5% recurrence rate.

Remission is when cancer signs disappear,

Recurrence is the return of cancer after a remission.