Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , pleural effusion or pneumothorax . Bibasilar streaky opacities likely reflect atelectasis . There is no pulmonary edema . The heart is normal in size , and the mediastinal contours are normal .
    OUTPUT:
    
Linear bibasilar opacities which are most likely atelectasis , no definite acute cardiopulmonary process .