Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable supine chest radiograph demonstrates an endotracheal tube , it s tip which terminates 4 cm above the level of the carina , appropriately positioned . There is been interval removal of a left PICC . Low lung volumes results in central vascular crowding and apparent cardiomegaly . Retrocardiac , mild biapical medial as well as right lower lobe opacities are new since prior study performed ___ and correspond to consolidations present on MR total spine performed on the same date .
    OUTPUT:
    
Multifocal opacities most likely reflect sequela of aspiration . Appropriately placed endotracheal tube .