Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright frontal chest radiograph demonstrates interval removal of a left chest tube . Airspace opacity is similar in distribution bilaterally likely reflecting edema accentuated by low lung volumes . A right pleural effusion is increased . The postoperative cardiac silhouette and mediastinal contours are unchanged . Median sternotomy wires are unchanged . There has been interval removal of an endotracheal tube , NG tube , epicardial pacing wires , right IJ sheath , and Swan - Ganz catheter . There may be a trace left pneumothorax without evidence of tension . The stomach is distended with air .
    OUTPUT:
    
Increasing right pleural effusion and pulmonary edema , exaggerated by low lung volumes status post extubation .