Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , moderate cardiomegaly is unchanged , without pleural effusions or pneumothorax . Edema has improved . Course of the feeding tube is unchanged . A faint right lower lobe opacity is new .
    OUTPUT:
    
A very faint right lower lobe opacity is new , and PA and lateral radiographs may be helpful to evaluate , when the patient is able to tolerate . Edema has improved .