Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Ill - defined opacity projects over the left heart border . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . A central line terminates in the mid SVC . The tip of the endotracheal tube is approximately cm from the carina . An enteric tube is seen below the diaphragm and likely in the distal stomach .
    OUTPUT:
    
1 . Ill - defined opacity in the left lower lung , may reflect aspiration or asymmetric edema . 2 . ET tube tip approximately 6 cm from the carina . Enteric tube in the distal stomach . Central line in mid SVC .