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Indirect decompression after lateral lumbar interbody fusion (LLIF). Sagittal T2-weighted magnetic resonance images (A) before and (B) after L1-L3 LLIF for spinal stenosis and coronal deformity in a 69-year-old man with severe back pain and neurogenic claudication. (B) Note expansion of the central canal and visible reduction in nerve root clumping after resolution of the central canal stenosis. Used with permission from Barrow Neurological Institute, Phoenix, Arizona.
