Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left lower lobe opacity is worrisome for pneumonia . Slight blunting of the right costophrenic angle is seen on the frontal view , although not substantiated on the lateral view . No large pleural effusion is seen . There is no evidence of pneumothorax . The cardiac silhouette is top normal . The mediastinal contours is unremarkable .
    OUTPUT:
    
Left lower lobe opacity worrisome for left lower lobe pneumonia . Recommend followup to resolution .