Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine radiograph of the chest demonstrates low lung volumes with resulting bronchovascular crowding . Diffuse pulmonary opacities could be consistent with a combination of severe pulmonary , widespread pneumonia , or ARDS . Cardiomediastinal and hilar contours are unchanged . Right - sided PICC line ends in upper SVC . Stable bibasilar pleural effusions are present . No pneumothorax .
    OUTPUT:
    
Diffuse pulmonary opacities could be consistent with a combination of severe pulmonary edema , widespread pneumonia or ARDS .