A commercial driver is diagnosed with ankylosing spondylitis affecting the thoracic and lumbar spine. Which finding would be most relevant to the medical examiner's certification decision?
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A
Elevated ESR and CRP laboratory values
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B
Fused spine with severely limited spinal mobility affecting the ability to look over the shoulder
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C
HLA-B27 positive genetic marker
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D
History of uveitis associated with the condition