Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . A dual - lead pacer is present with unchanged position . Midline sternotomy wires are noted . There is increased consolidation at the left lung base , which could represent a combination of effusion and pneumonia . A small right effusion is increased from prior . There may be mild pulmonary vascular congestion . No pneumothorax . Bony structures are intact .
    OUTPUT:
    
Left basal opacity , likely a combination of consolidation and effusion . Small though increased right pleural effusion , mild vascular congestion .