Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral lung volumes are low . The left chest tube seen in ___ chest radiograph has been removed . There is no pneumothorax . There is massive cardiomegaly . The degree of pulmonary vascular congestion and bilateral diffuse interstitial edema has mildly improved . No pleural effusion appreciated . The sternotomy wires are intact and aligned . Intrathoracic surgical clips are seen .
    OUTPUT:
    
1 . When compared to ___ chest radiograph , the left chest tube has been removed . There are no complications seen , in particular there is no pneumothorax . 2 . Mild improvement of pulmonary vascular congestion and bilateral interstitial edema .