Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly but no pulmonary edema . The mediastinum and the hila demonstrate likely calcified lymph nodes . Unchanged mild blunting of the left costophrenic angle , likely due to a small effusion . There is no pneumothorax and no focal lung consolidation .
    OUTPUT:
    
No acute cardiothoracic process . Mild cardiomegaly and likely calcified mediastinal / hilar lymph nodes are stable .