What does "L3-L4 level" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"L3-L4 level" refers to the area between the third and fourth lumbar vertebrae in the spine. This area is located in the lower back. When a medical report mentions the "L3-L4 level", it's talking about the space and structures between these two specific backbones.
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