What can cause right side pain. by groin area. blood pressure was high also. appendix removed already. ct scan normal. no kidney stone. or hernia?

Many causes: Right sided groin pain can result from many conditions, including bone/joint problems, other intestinal problems (besides the appendix), like diverticulitis, genitourinary (reproductive and urinary tracts) like epidymitis (inflammation of structures surrounding the testicle), or bruising to the muscle/tendons. Each of these need further evaluation by your physician.