Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no large pulmonary mass or nodule . Streaky opacification at the right base is likely atelectasis . There is no pulmonary edema , pleural effusion or pneumothorax . The thoracic aorta is tortuous or minimally dilated . The cardiac size is normal .
    OUTPUT:
    
1 . No evidence of pulmonary malignancy . 2 . Right basilar atelectasis .