Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Well - circumscribed lobular opacification in the peripheral left upper zone laterally is re - demonstrated . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are grossly stable . Prominence of the central hilar vessels is re - demonstrated although to a slightly lesser extent as compared to the prior study . Mild basilar atelectasis without definite focal consolidation . No overt pulmonary edema PE
    OUTPUT:
    
Re - demonstrated lateral , peripheral masslike lobular opacification in the left upper zone , worrisome for a neoplasm / malignancy . No new focal consolidation to suggest pneumonia .