Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Mild cardiomegaly and central vascular pulmonary congestion is unchanged . New small pleural effusion on the left is identified , with possible mild left basilar atelectasis . No pneumothorax or lobar consolidation . Multiple subtle left lateral rib deformities were better assessed on the recent CTA chest .
    OUTPUT:
    
New small left pleural effusion , but no focal consolidation .