Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits . The trachea is midline . The pulmonary vasculature is not engorged . The lungs are clear without focal consolidation , pleural effusion , or pneumothorax . No pulmonary lesions are identified . The pleura is not thickened . The visualized upper abdomen is unremarkable . Breast asymmetry is noted .
    OUTPUT:
    
No intrathoracic process , no clear signs of metastasis in the chest . If clinical concern for pulmonary metastasis is high , recommend CT to further assess .