Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A homogeneous opacity is present in the right infrahilar region , corresponding to the subcarinal area on the lateral view . Remaining mediastinal contours are normal in appearance . Hilar structures show slight asymmetry with the left appearing slightly more dense than the right . Heart size is normal , and lungs are clear except for minimal biapical pleural and parenchymal scarring . On the lateral view , there is a suggestion of an area of increased opacity in the lower retrosternal region just above the heart . This could potentially be projectional . No pleural effusion or acute skeletal abnormality .
    OUTPUT:
    
Right infrahilar mass , possibly a conglomeration of lymph nodes in the subcarinal area . Contrast - enhanced CT of the chest is recommended for confirmation and further characterization of this finding . At that time , the retrosternal area may also be assessed to exclude enlarged internal mammary nodes . Findings and recommendation entered into radiology communications dashboard on ___ .