Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new large left suprahilar mass like density centered in the right upper lobe , measuring approximately 6 cm in extent . It s contours appear lobular . Elsewhere , the lungs remain clear . There is no pleural effusion or pneumothorax . Bony structures are unremarkable .
    OUTPUT:
    
New left suprahilar mass worrisome for malignancy . Rounded lobular contour makes an infectious or inflammatory etiology less likely based on radiography . Evaluation with chest CT , preferably with intravenous contrast if possible , is suggested to assess further when clinically appropriate .