Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Given slightly low lung volumes and a large amount of soft tissue attenuation , the lungs appear clear aside from minimal right basilar atelectasis . The cardiac size is within normal limits . There is no pleural effusion . There is no pneumothorax . Mediastinal contours are within normal limits .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .