is a rare autoimmune disorder where the immune system mistakenly attacks the lungs and kidneys, causing inflammation, bleeding (pulmonary hemorrhage), and kidney damage (glomerulonephritis), potentially leading to kidney failure and respiratory failure. Symptoms include coughing blood, shortness of breath, fatigue, and blood in urine, requiring urgent treatment like immunosuppressants (steroids, cyclophosphamide) and plasmapheresis to remove antibodies, with early treatment improving prognosis significantly          Goodpasture syndrome (GPS), also known as anti–glomerular basement membrane disease, is a rare autoimmune disease in which antibodies attack the basement membrane in lungs and kidneys, leading to bleeding from the lungs, glomerulonephritis, Mohamed Jasim Al-Mustaqbal University The First University in Iraq.