Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is elevation of left hemidiaphragm with subtle left lower lobe opacity . Small left pleural effusion . No right pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . An endotracheal tube is 3 .5 cm above the level of the carina , in appropriate position . An enteric feeding tube courses midline with tip out of field of view and side port below the level of the diaphragm . Limited evaluation of the osseous structures are unremarkable . No displaced rib fracture .
    OUTPUT:
    
1 . Subtle left lower lobe opacity with elevation of left hemidiaphragm is most consistent with atelectasis . 2 . Small left pleural effusion . 3 . Endotracheal tube in appropriate position .