Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . There is opacity in the left lower lobe suggesting pneumonia . Anterior opacity on the lateral view probably probably localizes to the lingula , suggesting an additional area of pneumonia . The right lung appears clear . There is no definite evidence for pleural effusion although a trace left - sided effusion is not excluded .
    OUTPUT:
    
Findings consistent with pneumonia in the left lower lobe and lingula . Follow - up radiographs are suggested to show resolution in approximately ___ weeks .