Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild left base atelectasis without definite focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable and unremarkable . There is no overt pulmonary edema .
    OUTPUT:
    
Mild left base atelectasis . Otherwise , no acute cardiopulmonary process .