Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable radiograph demonstrates patchy opacities throughout the right hemi thorax which when compared to prior study dated ___ is not significantly changed . New opacity at the left lung base may reflect early pneumonia . There are bilateral pleural effusions . There is no pneumothorax . A tracheostomy tube is in unchanged position . Persistent rightward shift of the mediastinal structures is again noted .
    OUTPUT:
    
New patchy opacity at the left lung base concerning for early pneumonia in the correct clinical setting .