Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval development of a new 3 .5 cm rounded right hilar mass projecting over the middle mediastinum on lateral view . Left lung is clear . There is no pleural effusion or pneumothorax . Heart size is normal . Left hilar contour is normal .
    OUTPUT:
    
New 3 .5 cm right hilar mass worrisome for malignancy . Further evaluation with dedicated noncontrast chest CT is highly recommended . Critical results were relayed over the telephone to ___ , medical assistant for Dr . ___ , by Dr . ___ at 11 : 20 on ___ at time of initial review .