Rhumatoid Arthritis 


Rheumatoid arthritis happens when the body's own defense system doesn't work properly. It affects joints, bones, and organs--often the hands and feet. You may feel sick or tired, and you may have a fever.

Caplan's syndrome (or Caplan's disease) is a combination of rheumatoid arthritis and pneumoconiosis that manifests as intrapulmonary nodules ...