Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi upright radiograph of the chest demonstrates low lung volumes with resultant bronchovascular crowding . Right basilar opacification has increased in density on this study , concerning for worsening pneumonia or aspiration . There are small bilateral pleural effusions . The cardiomediastinal contours are unchanged . No pneumothorax . A right - sided PICC line ends in the distal SVC .
    OUTPUT:
    
Increased opacification of the right base likely represents pneumonia , however aspiration is also possible .