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Sarcoidosis

Sarcoidosis (“sar-koy-do-sis”) is a disease that causes swelling in the cells in different organs of your body. It usually affects your lungs. It can also affect other organs, like your skin, eyes, lymph nodes and brain.  

With sarcoidosis, some of your blood cells bunch together to form tiny lumps called granulomas. The granulomas can form in different parts of your body. If they build up in your lungs they can stop them from working properly.