Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph demonstrates an interval increase in size of a now moderate left pleural effusion with left basilar atelectasis . There is a smaller right pleural effusion with associated right basilar atelectasis . Pulmonary edema is improved . Moderate to severe cardiomegaly is unchanged , the mediastinal contours are normal . A right IJ catheter tip is unchanged projecting over the lower SVC . Median sternotomy wires , and mitral valve prosthesis are unchanged .
    OUTPUT:
    
Increasing left greater than right pleural effusions , represent residua of improved congestive heart failure .