Disc bulging predicts poor outcomes of decompression surgery for lumbar spinal canal stenosis. - Kin K; Kusumegi A; Chinen M; Okamoto S; Mitsuhashi T; Takahashi Y; Nishida K (European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2025)