Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left lower lobe pneumonia seen better on most recent chest CT is severe . There is atelectasis at the left lung base . Previously seen streaky opacities at the right lung base likely atelectasis have improved . Cardiac , mediastinal , and hilar silhouettes are unremarkable . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Left lower lobe pneumonia better seen on chest CT from ___ .