Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi upright radiograph of the chest demonstrates low lung volumes which results in bronchovascular crowding . There is continued interval improvement of the large left upper lobe pneumonia . Increased opacification of the left base may represent atelectasis , however pneumonia can be considered in the appropriate clinical setting . There is a small right - sided pleural effusion . There is no pneumothorax . The cardiomediastinal and hilar contours are unchanged . A left - sided PICC line ends in the distal SVC . A granuloma in the right upper lung is unchanged .
    OUTPUT:
    
Interval improvement of the large left upper lobe pneumonia . Increased opacification left base may represent atelectasis , however pneumonia could be considered in the appropriate clinical setting . No overt pulmonary edema .