Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Triple lead left - sided AICD is again seen with leads unchanged in position . There are low lung volumes . The AICD battery pack obscures the low lateral upper hemithorax in the frontal view . Mild blunting of the posterior bilateral costophrenic angles is consistent with trace of small bilateral pleural effusions . There is minimal pulmonary vascular congestion . The cardiac silhouette remains enlarged . The aorta is calcified and tortuous . No pneumothorax is seen .
    OUTPUT:
    
Trace bilateral pleural effusions and possible minimal pulmonary vascular congestion . Persistent cardiomegaly .