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. 2020 May 27;15(5):e0233633. doi: 10.1371/journal.pone.0233633

Fig 5. Lee classification.

Fig 5

Grade 2 (moderate stenosis). Fig 5A and 5B: A 59-year-old woman with right lower extremity radiculopathy. T2-weighted axial magnetic resonance image at L4/5 disc level shows moderate obliteration of the anterior cerebrospinal fluid space and some cauda equina aggregation.