Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . Subtle lucency seen projecting over the lateral left lung base on the frontal view , not clearly seen on the lateral view , is felt to be artifactual and not at site of patient 's reported site of pain . The cardiac and mediastinal silhouettes are unremarkable . No displaced fracture is seen .
    OUTPUT:
    
No acute cardiopulmonary process .