I m a male who has been having pain on right side above waistline, started a few days ago as a tender area with dull pain, two days ago went to severe pain while walking, went to ER had ct scan and urinalysis, showed some fecal matter in bowel, I had no fever no other symptoms, was given stool softeners, pain pills and muscle Relaxers , pain is still there 3 days later, what could this b and whatother tests should I have?