Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is diffuse sclerosis involving the vertebral bodies , ribs , clavicles compatible with metastatic prostate cancer . The sclerosis appears slightly more confluent when compared with the prior study ___ , but it is difficult to assess disease progression with such widespread metastases by chest radiographs . There are no frank pulmonary lesions . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . Diffuse bony metastases compatible with metastatic prostate cancer . 2 . Possible slight progression of the existing metastases , but this would be better assessed by bone scan or cross - sectional imaging . 3 . No evidence of acute cardiopulmonary process .