What does "S2" 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.
"S2" in a medical document refers to the second sacral vertebra, which is a part of the spine. The spine is made up of different sections, and the sacral region is located near the bottom, just above the tailbone. So, "S2" is simply a way to pinpoint a specific location in the lower part of the spine.
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