Spinal fusion is surgery to permanently join together two or more bones in the spine so there is no movement between them. These bones are called vertebrae.| medlineplus.gov
You were in the hospital for spine surgery. You probably had a problem with one or more disks or spine bones. A disk is a cushion that separates the bones in your spine (vertebrae).| medlineplus.gov
Spondylolisthesis is a condition in which a bone (vertebra) in the spine moves forward, out of its proper position, in relation to the bone below it.| medlineplus.gov
Lumbago is pain on the lower part of your back. Back pain is very common. Treatment varies from medicines to surgery depending on the cause and kind of pain.| medlineplus.gov