Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube sits 3 cm above the carina . A left - sided PICC terminates in the mid SVC . The heart size and mediastinal contours are within normal limits . Ill - defined right basilar airspace opacity is present . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Right basilar opacity likely reflects aspiration or hemorrhage .