Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Compared to ___ , mild cardiomegaly is stable . Lung volumes are low . Heterogeneous area of opacification in the left lower lobe , better seen on the lateral view , could represent pneumonia . Opacification at the right base is improved from ___ and likely atelectasis , though pneumonia can not be definitely excluded .
    OUTPUT:
    
Stable mild cardiomegaly . Large left lower lobe pneumonia increased since ___ now with new small pleural effusion .