Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip is 4 .7 cm from the carina . Enteric tube is noted with tip at the gastric fundus . Lung volumes are relatively low . Lung apices are excluded from the field of view . There is moderate pulmonary edema . Bibasilar opacities are noted . There is a small right and potentially small left pleural effusion as well . Moderate cardiac enlargement is again noted . No acute osseous abnormalities . There is a linear 2 .4 cm radiopaque foreign body projecting over left upper abdomen of uncertain etiology .
    OUTPUT:
    
Support lines and tubes as above . Moderate pulmonary edema with right and possible left pleural effusions . More dense bibasilar consolidation which could be superimposed atelectasis or infection . Linear radiopaque density projecting over left upper quadrant , uncertain etiology , potentially external .