Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip terminates 3 .6 cm from the carina . An enteric tube tip is within the stomach . Heart is moderately enlarged . The aorta is tortuous . Fullness of the right superior mediastinal border may be due to tortuous vascular structures . There is no pulmonary edema . Consolidative opacity with air bronchograms is noted in the left lung base . No pleural effusion or pneumothorax is identified . No acute osseous abnormality seen . There are multilevel degenerative changes in the imaged thoracic spine .
    OUTPUT:
    
1 . Standard positions of the endotracheal and enteric tubes . 2 . Mild left basilar consolidation , with which may reflect infection , aspiration and / or atelectasis . 3 . Prominent right superior mediastinal contour , possibly due to tortuous vessels .