Read the following information.
Free OET Writing Sample Test with Answer Subtest Radiography #11
Task: X-Ray Lumbar Spine (Chronic Back Pain)
Case Notes:
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Patient: Mr. Robert White, 58 yrs, taxi driver 
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Referral source: GP 
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Presenting issues: Chronic low back pain ×8 months, worsens with prolonged sitting/driving, morning stiffness 
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Symptoms: Occasional radiation to the left thigh, no numbness/weakness, no bowel/bladder disturbance 
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Exam findings: Reduced lumbar flexion, tenderness over L4–L5, regular neurological exam 
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Medical history: Obesity, osteoarthritis in knees, no past spine injuries 
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Social history: Smoker (15/day), sedentary occupation, limited exercise 
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Request: Plain lumbar spine radiographs to assess degenerative changes 
