Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There is no free subdiaphragmatic air . No focal consolidation , pleural effusion or pneumothorax . Mild cardiomegaly is exaggerated by low lung volume . Right paratracheal mediastinum is full , likely a combination of mediastinal fat and dilated systemic veins .
    OUTPUT:
    
Mild cardiomegaly . No free subdiaphragmatic gas .