Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again , there are multiple rounded masses throughout the bilateral lungs , consistent with metastases . The largest is in the right hilum . Allowing for changes in technique , these appear grossly similar to the prior CT from ___ . There is no new focal airspace opacity to suggest pneumonia . There is no pulmonary edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Grossly unchanged widespread pulmonary metastases from the known metastatic melanoma .