You must consult a spine surgeon
, get MRI
done see if he can correct kyphosis
of spine surgically.This is possible with modern surgery if the hunch is not too much acute.
Crowding of vertebrae in the hunched area of spine are not only causing disc destruction and pain but also may affect your internal organs in chest abdomen by undue pressure on lack of space in crowded area. normally surgery is done in younger age group , even then some amount of correction is still possible provided you meet an eminent spine surgeon dealing with Kyphosis/scoliosis