Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is top - normal . Mediastinal contours are unremarkable . Overlying soft tissue slightly limits evaluation of the lung bases , although no definite focal consolidation is seen . No large pleural effusion or pneumothorax . No overt pulmonary edema .
    OUTPUT:
    
No definite acute cardiopulmonary process .