Report mentioned about rectocele which is a kind of descent / prolapse.. Every rectal prolapse doesn't necessarily need surgery only as there are multi modality treatments involved as medical management,lifestyle modifications, biofeedback therapies & regular followup..With all these measures done regularly and properly under guidance, should generally be sufficient in majority of patients to manage with the problem.
Few who doesn't get relief or have major issues , they may need surgery.
Next Steps
Consult Gastroenterologist
Need biofeedback therapy sessions