Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright AP and lateral views of the chest provided . There has been interval removal of the right upper extremity PICC line . A right sided chest tube is in place . Opacity in the right lung base is slightly increased likely representing atelectasis , less likely pneumonia / aspiration . No large pneumothorax is seen . The left lung appears essentially clear . The cardiomediastinal silhouette is unchanged . Right upper rib cage resection is unchanged .
    OUTPUT:
    
Interval removal of PICC line . Increasing opacity at right lung base , likely atelectasis versus pneumonia . Right chest tube in place .