sentences:  If the onset of the disease can be linked to use of immunosuppressive drugs then discontinuation of these drugs may hinder a relapse.Organs usually affected are the skin, lungs, central nervous system while liver and kidney are affected to lesser extent.The pulmonary complications are usually what leads to death, however, CNS involvement that affects up to one third of the patients can be very severe with mental status changes, ataxia, hemiparesis, seizures, unconsciousness and death, typically followed in that order.