Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube ends 4 .8 cm above the level of the carina . The left PICC ends in the low SVC , as before . Mild interstitial pulmonary edema has minimally improved . Dense left retrocardiac opacification is not significantly changed , likely atelectasis . A small left pleural effusion is not significantly changed . A small layering right pleural effusion is also not significantly changed . The heart size is normal . The mediastinal contours are normal . There is no pneumothorax . A displaced fracture of the proximal right humerus is again noted .
    OUTPUT:
    
1 . Mild interstitial pulmonary edema , not significantly changed . 2 . Small bilateral pleural effusions , left greater than right . 3 . Dense left retrocardiac atelectasis , not significantly changed .