Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Minimal blunting of the left costophrenic angle on the frontal view , not substantiated on the lateral view , which may be due to minimal atelectasis or very trace pleural effusion . The lungs are otherwise clear . There is no focal consolidation or pneumothorax . The cardiac and mediastinal silhouettes are stable and unremarkable .
    OUTPUT:
    
Minimal blunting of the left costophrenic angle could be due to atelectasis or a very trace pleural effusion . No focal consolidation seen .