Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is opacification of the right lower lobe seen both on frontal and lateral radiographs . In addition , the right heart border is obscured , worsened from ___ . There is no pleural effusion or pneumothorax . The heart size is normal . The left lung is clear .
    OUTPUT:
    
Right middle and lower lobe pneumonia , possibly due to recurrent aspiration .