Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is stably prominent . The pulmonary vasculature is mildly indistinct . No definite pleural effusion or pneumothorax is identified . Left lower lobe opacity , in the appropriate clinical context , may be consistent with pneumonia . There is mild peribronchial cuffing .
    OUTPUT:
    
Possible left lower lobe pneumonia in the appropriate clinical context . Follow - up examination can be obtained ___ weeks after treatment .