What is a Retrorectal cyst and what is the treatment?

What is a Retrorectal cyst and what is the treatment?
2.
What is a Cutaneous Larve Migrans and how is it treated?

3.
What are the risk for uncontrolled blood pressure and what was can it be controlled?

4.
How affective is diet and exercise for patients with Hypertension and can it be controlled with diet and exercise alone?