Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates low lung volumes with resulting bronchovascular crowding . Small right sided pleural effusion with adjacent atelectasis has increased slightly over the interval , and may be reactive . Cardiomediastinal and hilar contours are unremarkable . No pneumothorax . Left - sided PICC line ends in the distal SVC .
    OUTPUT:
    
Small right sided pleural effusion with adjacent atelectasis has increased slightly over the interval , and may be reactive . Recommend ultrasound of the subdiaphragmatic region to evaluate for abscess or biliary collection . No pneumonia .