Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . A moderate left pleural effusion is increased compared to the prior study from ___ . Consolidation at the left lung base is at least partially related to compressive atelectasis , although a concomitant infectious process is certainly possible . Reticulonodular opacities in the right mid - to - lower lung are new compared to the prior study , highly concerning for an infectious process . The heart size is difficult to assess given the moderate left effusion , but appears unchanged . The mediastinal contours are normal . There is no pneumothorax . Multilevel degenerative changes of the thoracolumbar spine are seen .
    OUTPUT:
    
1 . New reticulonodular right mid - to - lower lung opacities , concerning for infection . 2 . Increased moderate left pleural effusion with dense left retrocardiac atelectasis . Concomitant infection at the left lung base can not be excluded .