What is multilobar pneumonia?

Many areas of lung: The lungs are divided into lobes. When more than one lobe is involved, it is multi-lobar

More than one area: Multilobar pneumonia is pneumonia in more than one lobe of the lung.

Multilobar pneumonia: There are five lobes between the two lungs - three on the right and two on the left. A multilobar pneumonia means an infection that involves more than one lung. it usually portends a worse prognosis that a pneumonia that involves only one lobe.

Multilobar pneumonia: A lobar pneumonia is an infection that only involves a single lobe, or section, of a lung. Lobar pneumonia is often due to Streptococcus pneumoniae (though Klebsiella pneumoniae is also possible.) Multilobar pneumonia involves more than one lobe, and it often causes a more severe illness.