A 42-year-old man visits his doctor after his cousin, who ...

A 50 -year-old electrician reports pain in his left upper extremity and tingling and numbness in his 4th. and 5th digits of his left hand. There is mild swelling of the left hand. The man reports most. of his pain and numbness occurs when he is doing electrical work with his arms overhead. X-ray. reveals the presence of a cervical rib. ................
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