Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube and sternotomy wires are all unchanged . The lung volume is small , exaggerating the pulmonary vascular markings . Mild pulmonary edema and pulmonary vascular congestion is are unchanged . Left pleural effusion with underlying volume loss is stable . No new consolidation . No pneumothorax . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
1 . Persistent mild pulmonary edema and pulmonary venous congestion . 2 . Persistent left pleural effusion with underlying volume loss .