Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . An endotracheal tube is seen with its tip located 1 .9 cm above the carinal . An orogastric tube extends into the left upper abdomen . There is retrocardiac opacity which could represent atelectasis versus pneumonia / aspiration . There is a small left pleural effusion suspected . No supine evidence for pneumothorax . Mild right basal atelectasis noted . Bony structures appear demineralized though grossly intact .
    OUTPUT:
    
ET tube tip 1 .9 cm above the carinal . OG tube positioned appropriately . Retrocardiac opacity , likely reflecting a combination of consolidation and effusion .