Respected user, hi I evaluated your query thoroughly .
* Various reasons are there for pain in lower right abdomen as
   - right ureteric calculus - 
appendicitis ( chronic may remain for years ) 
   - disorders of 
terminal ileum / cecum / ileocecal junction - mesenteric
   pathology - 
ascending colon problems - tumors of intestine - tuberculosis
   - strictures or narrowing of intestines / colon - adnexal lesions in females
   as involving uterus , right ovary , tubes  - intestinal warms - inguinal
   hernias - others 
* Diagnostic evaluation requires 
   thorough history with all details    
ultrasound abdomen & pelvis
   necessary laboratory data as per clinician decision 
   CT  scan /  MRI  / 
colonoscopy /  IVP in selected cases 
* Answer for what can be done depends on the diagnosis itself dear .
Hope this clears your query .
Welcome for any further assistance .
Thanks for using Health care magic & giving me an opportunity to assist .
Wishing you fine recovery from the same .
Regards dear take care .