Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Medial right basilar opacity similar to prior is felt to represent overlap of vascular structures . No definite focal consolidation is seen . There is no large pleural effusion or pneumothorax . Incidental note is made of an azygos lobe . The aorta is somewhat tortuous . The cardiac silhouette is top normal . There may be very minimal vascular congestion .
    OUTPUT:
    
Possible very minimal vascular congestion . Otherwise , no acute cardiopulmonary process .