Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal and unchanged . There is an unchanged right port catheter with tip in the mid SVC . The aorta is calcified , indicating atherosclerosis . The mediastinal and hilar contours are stable . No pulmonary edema is seen . There is left basilar atelectasis . Lungs are otherwise clear . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
Left base atelectasis without definite focal consolidation .