Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-supine radiograph of the chest demonstrates low lung volumes with extensive opacification of the bilateral lungs , right greater than left , the appearance is consistent with multifocal pneumonia versus aspiration . Based on retrospective review of radiographs from ___ , the dramatic change over the course of the day is suggestive of contributions from pulmonary edema and aspiration or pulmonary hemorrhage . Cardiomediastinal and hilar contours are unchanged , allowing for differences in patient positioning . There is no pneumothorax . Endotracheal tube ends 3 .7 cm from the carina .
    OUTPUT:
    
Endotracheal tube ends 3 .7 cm from the carina .