Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . There is prominence of the upper zone vessels , slightly improved compared to the prior exam , compatible with pulmonary vascular congestion . Again seen are moderate - sized layering bilateral pleural effusions , overall unchanged compared to the prior exam with associated compressive atelectasis . Nodular opacities at the right apex are unchanged . Median sternotomy wires are intact .
    OUTPUT:
    
Stable bilateral moderate pleural effusions however with mild interval improvement of the pulmonary vascular congestion .