Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and prosthetic cardiac valve again noted . Numerous calcified lymph nodes are seen projecting over the left pulmonary hilum . There are persistent bilateral pleural effusions left greater than right with left lower lung consolidation which could represent atelectasis or pneumonia though not significantly changed from the prior exam . Upper lungs are well aerated . Bony structures are intact . Clips project over the upper mid abdomen . Cervical spinal hardware is partially imaged .
    OUTPUT:
    
Persistent bilateral pleural effusions , left greater than right with consolidation in the left lower lung concerning for atelectasis versus pneumonia .