Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . There is mild pulmonary edema superimposed on the known chronic lung disease . A small focal area of opacification is seen at the right lung base . There are small bilateral pleural effusions , best appreciated on the lateral view . No pneumothorax . Cardiac size is moderately enlarged . Coronary stent is also noted . A calcified and tortuous aorta is present .
    OUTPUT:
    
1 . Mild pulmonary edema superimposed on known chronic lung disease . 2 . Increased opacification right lung base , worrisome for pneumonia in the correct clinical setting .