Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . The patient is rotated to the left . Opacity projecting over the right medial base is felt to likely be due to overlapping vascular structures . No definite focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process .