For the following medical text, please figure out which part is hard to understand for people without medical expertise, and explain each of them one by one: Asymptomatic chondrocalcinosis is common in the knee, metacarpophalangeal joints, hip, wrist, annulus fibrosus of the intervertebral disks, symphysis pubis, and spine. Write your response with exactly 5 paragraphs, separated with the markdown divider: ***.
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