Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A linear opacity in the left suprahilar region is new compared to shoulder radiographs of ___ and is associated with a subtle slight increase in opacity of the adjacent left hilum . The lungs are otherwise clear . Heart size and mediastinal contours are normal . There are no acute pleural or skeletal abnormalities .
    OUTPUT:
    
Nonspecific linear opacity in left juxtahilar region which may reflect an area of focal atelectasis or scarring . Considering slight increase in opacity of adjacent left hilum , followup radiographs may be helpful in four to six weeks to assess for resolution and to exclude the possibility of an obstructive process in this region . Findings entered into radiology communications dashboard on the date of the study .