Patients with spinal tumors who were treated with radiation can be expected to have what change in their vertebral bodies on T1-weighted MRI at follow-up?

Patients with spinal tumors who were treated with radiation can be expected to have what change in their vertebral bodies on T1-weighted MRI at follow-up?

Increased signal (caused by obliteration of the tumor and normal marrow with subsequent fatty change in the vertebral body marrow)