Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of a right PICC . The cardiomediastinal silhouette is normal . The hilar contours are unchanged . Stable mild pulmonary edema . There is an unchanged , small left pleural effusion with interval improvement in left basilar atelectasis . A new focal opacity at the right base with obscuration of the right hemidiaphragm may reflect interval increase in pleural fluid with adjacent atelectasis ; however , superimposed pneumonia should be considered .
    OUTPUT:
    
New focal opacity at the right base may reflect interval enlargement of a right pleural effusion with adjacent atelectasis ; however , superimposed pneumonia should be considered in the appropriate clinical context .