Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable chest radiograph is obtained . Tracheostomy tube is present . There is no pneumothorax or pleural effusion . There is a hazy veil - like opacity in the right upper lung zone which may be consolidation , atelectasis or artifact . Heart size appears enlarged ; however , this may be technical due to AP view . Bony structures are intact .
    OUTPUT:
    
Limited study with hazy opacity in the right upper and mid lungs which may be infectious in etiology , atelectasis or artifact .