How would you approach choosing osteoporosis treatment in a patient with a T score -3.3 in lumbar spine and no prior fracture history who has squamous cell cancer and received radiation therapy?

This is an interesting question and a not unfamiliar clinical situation. I would like to know the age of the patient of course and her general medical health including renal function as that might influence the choice of drug to be recommended. The underlying premise here (I assume) is the option of...