[[Image:Acute fibrinous pneumonia.jpg|right|thumb|150px|<small><center>Acute fibrinous pneumonia (Image sourced from Bristol Biomed Image Archive with permission)</center></small>]] | [[Image:Acute fibrinous pneumonia.jpg|right|thumb|150px|<small><center>Acute fibrinous pneumonia (Image sourced from Bristol Biomed Image Archive with permission)</center></small>]] |