Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Subtle patchy right basilar opacity could relate to overlap of vascular structures and atelectasis although an early consolidation is not excluded in the appropriate clinical setting . The left lung is clear . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Subtle patchy opacity projecting over the right lower lung on the frontal view , not well substantiated on the lateral view , may be due to overlap of vascular structures or mild atelectasis however , early consolidation is not excluded in the appropriate clinical setting .