Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is after sternotomy for multiple cardiac surgeries , metal wires are intact . The left side pleural effusion is markedly reduced , but is still evident . Minimal air - fluid level and unchanged left pigtail catheter position . Moderate left lung base pneumothorax . Right lung is clear without pleural effusion . Heart size and mediastinal contours are normal .
    OUTPUT:
    
Reduction of the left pleural effusion , but with moderate left base pneumothorax . Findings were discussed by Dr ___ with Dr ___ at 1 .___ pm