930b74ae_Community_Acquired_Pneumonia__Frequency
[Mechanism] Invasion from infection in contiguous structures [Frequency] 
Rare
C o m m o n
U n c o m m o n
R a r e
L e s s c o m m o n
M o r e c o m m o n i n i m m u n o c o m p r o m i s e d h o s t s
Community-Acquired Pneumonia
Frequency