Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal and nasogastric tubes have been removed . The right chest tube has been removed . There is no pneumothorax . Bibasilar atelectasis is noted . Heart is significantly enlarged . There is no pleural effusion or focal consolidation . Valve replacements are noted . Median sternotomy wires are intact .
    OUTPUT:
    
No evidence of pneumothorax . Bibasilar atelectasis and stable severe cardiomegaly .