Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Underlying trauma board and other external artifact partially obscure the view . Endotracheal tube terminates approximately 3 .7 cm above the level of the carina . There are low lung volumes . Medial right basilar opacity may relate to overlap of vascular structures versus consolidation . There is no pleural effusion or evidence of pneumothorax . The cardiac silhouette is top - normal to mildly enlarged . Mediastinal contours are unremarkable .
    OUTPUT:
    
Underlying trauma board and other external artifact partially obscure the view . Endotracheal tube terminates approximately 3 .7 cm above the level of the carina . There are low lung volumes . Medial right basilar opacity may relate to overlap of vascular structures versus consolidation . There is no pleural effusion or evidence of pneumothorax . The cardiac silhouette is top - normal to mildly enlarged . Mediastinal contours are unremarkable .