T10 to Pelvis Fusion. Experience, Comments Appreciated

I would like to hear from others who had a, or something like a, T10 to ilium fusion with multiple interbody support. How long was the surgery? What is a brief description of the surgery? How long was the hospital stay? Were the results what you expected? How long before you were up and walking as much as you were before the procedure? Did the procedure improve the length of time you can walk? Were you offered any other possible procedures? Any other thoughts/comments?

I have been evaluated and found to have severe Degenerative Disk disease, progressive kyphotic deformity in my lumbar spine, and significant sagittal balance deformity due to a complete loss of lumbar lordosis. This results in my inability to maintain normal posture. In 2018 I had an L5-S1 ALIF for lumbar stenosis, sciatic pain, and a left-sided foot drop. This procedure improved my sciatic pain significantly; however, it did not improve my left-sided foot drop. I spent one day in the hospital. I wear an AFO on my left foot and ankle, an LSO brace, and use walking sticks. I do not have radicular or myelopathic symptoms at present.

I often must use my hands and available furniture when ambulating to keep from stumbling and/or to straighten up my posture. I cannot maintain an upright posture without assistance for more than a few moments. My most comfortable position is while pushing a grocery store cart. I am relatively asymptomatic at rest. I can lay flat without pain or difficulty. I have consulted with several spine surgeons who have discussed thoracolumbar corrective surgery that would include multiple interbody support and fusion from my thoracic spine down to my pelvis. However, one surgeon opines that the risks of the surgery would likely outweigh any potential benefit. Another surgeon recommends the surgery, which has a high probability of improving my quality of life.
Imaging and Findings

GENERAL: The patient is a male in no acute distress. He ambulates with the use of bilateral walking sticks.
BP 129/70 | Pulse 64 | Temp 36.4 °C (Temporal) | Ht 6' (1.829 m) | Wt 83.4 kg (183 lb 12.8 oz) | SpO2 100% | BMI 24.93 kg/m²
FINDINGS:
Alignment: Rightward lumbar spine curvature measuring 9 degrees from L2-L4. 4 degree leftward thoracolumbar spine curvature measured from T12-L2.
Coronal balance: C7 is 3.1 cm to the left of S1 (normal less than 3 cm).
Thoracic kyphosis angle: 10 degrees (normal range 20-50 degrees)
Lumbar lordosis angle: 19 degrees (normal range 20-60 degrees)
lumbar kyphosis 2 degrees
Sagittal vertical axis: 2.2 cm (normal range -2 - +2 cm)
Pelvic incidence: 64 degrees
Pelvic incidence - lumbar lordosis: 45 degrees (normal less than 10 degrees)
Pelvic tilt: 39 degrees (normal less than 20 degrees).