Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left hilus is mildly lobulated , lumen of the left main bronchus is obscure , and the lower trachea is indented more than the degree expected by aortic deflection . These findings should be evaluated by Chest CT ( with intravenous contrast , if tolerated ) to look into possible malignancy . Pulmonary vascular congestion and mediastinal venous dilatation are mild , but there is no edema or pleural effusion and heart size is normal for the AP projection . AICD leads project end in the right atrium and right ventricle . Sternotomy wires are intact .
    OUTPUT:
    
Suggest Chest CT for possible central malignancy . Pulmonary vascular dilatation , could be chronic or acute congestion . Dr ___ was paged to discuss these findings .