Upper n inner thigh pain. Due to that?

I have pain in my top most porsion of upper thigh in both lag bt most probably in left leg abt 80% pain in left side pain phenomena is pain like irritation pain starts from top of upper thigh (hip) n than goes to inner thigh n groin area i did all test like mri of pelvic hip ls spine n ct of pelvic n hip usg abdomen,scrotum all kind of blood test almost invest 30000 rs for all test consult 4/5 orthopedist urologist n neurologist doctor nothing to find out n took 50 days physio treatment bt not solved my problem.when am bending my leg kenn at45 degree i feel good major problems r that am not able to do my both leg straight 180 degree when am do my both leg completely straight pain is cones immediately my all report comes normal only small buldgeing in L4 n L5 is due to that ?? Plz help i felt that my problem is out of syllables for my local state doctors so help me out sir/madam.