Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is radiation fibrosis at the left lung apex . The patient is status post left mastectomy . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . No definite focal consolidation is seen . Subtle haziness over the left mid lung is similar to prior chest radiograph from ___ at 09 : 11 . Surgical clips are again noted at the left axilla / upper left chest wall .
    OUTPUT:
    
Re - demonstrated radiation fibrosis at the left lung apex . Cardiomegaly . Possible mild vascular congestion , but no definite focal consolidation .