<prompt> Pneumatocele is caused byStaphylococcusStreptococcusStreptococcus pneumoniaeP. carnii  <response>: PneumatocelesThese are multiple thin walled air containing cysts.Staphylococcus aureus is the most common organism causing pneumatoceles and pneumatoceles are considered pathognomonic of staphylococcal pneumonia.E.coli and klebsiella pneumonia may have pneumatoceles. __ O.P. Ghai 6th e 350 