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| Line 8: | Line 8: | ||
*RF +ve. | *RF +ve. | ||
*Skin nodules - see ''[[rheumatoid nodule]]''. | *Skin nodules - see ''[[rheumatoid nodule]]''. | ||
==Gross/radiology== | |||
Features:<ref name=pmid22265461/> | |||
*Usually upper lung fields, peripheral and round. | |||
*+/-Cavitation (~50% of cases). | |||
==Microscopic== | ==Microscopic== | ||
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