Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest film dated ___ at ___ is submitted for interpretation .
    OUTPUT:
    
Endotracheal tube has its tip approximately 4 .5 cm above the carina . Streaky opacities at the right lung base may reflect areas of atelectasis , although aspiration or pneumonia should also be considered . No pulmonary edema . No pleural effusions or pneumothorax . Overall cardiac and mediastinal contours are within normal limits given portable technique .