Hi My name is Jahanzeb My father is being diagnostic of spinal stenosis he cannot walk moreover he is a heart patient he had gone throuigh a recne t angio plasty back in decmeer 2017, since after that he cannot walk without sticks , the immense pain on his lower back and left leg joint did not let him walk , i have came across various doctors they have suggested high level physiotherapy despite of 6 months physiotherapy nothing happens , he cannot undergo a surgery too as directed by his heart surgeon this recent , kindly help me in this regard.