Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is not engorged . Consolidative opacity is noted within the lingula compatible with pneumonia . Right lung is clear . No pleural effusion or pneumothorax is identified . No acute osseous abnormality is present .
    OUTPUT:
    
Lingular pneumonia . Followup radiographs after treatment are recommended to ensure resolution of this finding .