Good-Pasture Syndrome is syndrome is characterized by -
Anti GBM antibody
Crescents
Pulmonary haemorrhage
Diffus alveolar damage
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 and kidney failure. Ref Harrison20th edition pg 299
Kidney