Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient upright position . Status post bypass surgery with sternotomy wires and mild cardiac enlargement appears stable . Pulmonary vasculature is not congested . Comparison with the next preceding portable chest examination of ___ , the left - sided pleural effusion which at that time was status post thoracocentesis has increased again . The amount of left - sided pleural effusion is similar to what existed on ___ prior to the thoracocentesis . There is no evidence of pneumothorax . The right - sided hemithorax remains unremarkable without evidence of pulmonary vascular congestion .
    OUTPUT:
    
Reoccurrence of left - sided pleural effusion . No other new abnormalities .