Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube appropriately positioned ending approximately 6 .3 cm above the carina . A nasoenteric tube coils in the stomach . A right PICC ends in the low SVC . Multifocal airspace opacity appears improved from prior , however this likely relates to increased lung volumes . Pleural effusion is small , if any . There is no pneumothorax . Multiple bullet fragments project over the left upper quadrant .
    OUTPUT:
    
No large interval change in multifocal airspace opacity given differences in technique . Appropriate positioning of monitoring and support devices .