Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is mild left base atelectasis . No definite focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . No displaced rib fracture is seen .
    OUTPUT:
    
Mild left base atelectasis . Otherwise , no acute cardiopulmonary process . No displaced rib fracture seen . Please note , however , that dedicated rib series or CT are more sensitive .