Klebsiella pneumonia. Downward bulging of the minor fissure (arrow) due to massive enlargement of the right upper lobe with inflammatory exudate.
Voluminous inflammatory exudate due to Klebsiella pneumonia
Pneumonia due to Klebsiella infection Tends to form a voluminous inflammatory exudate that produces a homogeneous parenchymal consolidation (containing an air bronchogram) and bulging of an interlobar fissure. High frequency of abscess and cavity formation (rare in pneumococcal pneumonia).