<prompt> All are X-ray findings of Staphylococcus pneumonia except:PneumatocoeleHilar lymphadenopathyEmpyemaAbsent air bronchogram  <response>: In S. aureus pneumonia, lobar enlargement with bulging of interlobular fissures can be seen in severe cases. Air bronchograms are not seen Abscess, cavitations with air-fluid levels and pneumatoceles are commonly seen and 30-50 of patients develop pleural effusions, half of which are empyemas. Note :- Cavitation and associated pleural effusions are also observed in cases of anaerobic infections, gram-negative infections and tuberculosis. 