Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate a small to moderate left - sided pleural effusion . Interstitial opacities are consistent with pulmonary edema . There may also be a small right - sided pleural effusion . Cardiac size is enlarged . Aortic valve calcifications are present . Peripheral opacities in the right midlung are present and may represent an early pneumonia . Atypical edema or scarring would also be a possibility in this area . Would correlate for patient 's infectious symptoms .
    OUTPUT:
    
Left pleural effusion , cardiomegaly , pulmonary edema . vague asymmetric right midlung opacity may represent focal infection versus scarring .