Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate interval removal of right - sided PICC line . Cardiomediastinal and hilar contours are unremarkable . Faint opacity projecting over the spine in the lateral view without definite correlate on the frontal view is stable since ___ and is most likely due to atelectasis , though an early pneumonia is a less likely possibility . No pleural effusion or pneumothorax evident .
    OUTPUT:
    
Faint opacity projecting over the spine on lateral view is unchanged since ___ and is most consistent with atelectasis , though early pneumonia can not be excluded .