Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Sarcoidosis ?
    ### Response:
    Espaol
                
Sarcoidosis (sar-koy-DO-sis) is a disease of unknown cause that leads to inflammation. This disease affects your bodys organs.
                
Normally, your immune system defends your body against foreign or harmful substances. For example, it sends special cells to protect organs that are in danger.
    