Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy tube is in appropriate position . There is no focal consolidation or pneumothorax . Hazy opacity at the right lung base is likely layering effusion . Mild pulmonary edema has developed in the interval . Thoracotomy changes are noted at the right upper ribs . The heart remains enlarged .
    OUTPUT:
    
Mild pulmonary edema and probable small right effusion .