Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminates 4 cm from the carina . An enteric tube courses below the diaphragm and terminates within the stomach . There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette is within normal limits , allowing for rotation . There is moderate S - shaped scoliosis of the visualized thoracolumbar spine . Calcific densities projecting over the right upper quadrant may represent gallstones or renal stones .
    OUTPUT:
    
1 . Standard position of support devices . 2 . No acute cardiopulmonary process . 3 . Densities projecting over the right upper quadrant may represent nephrolithiasis or cholelithiasis .