Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the study of ___ , there has been the development of a large right hilar and suprahilar mass measuring approximately 6 cm in diameter with fibrotic stranding extending to a region of pleural thickening in the lateral chest wall . This most likely represents a malignancy . Hyperexpansion of the lungs is consistent with the clinical diagnosis of COPD . There is a right pleural effusion with suggestion of some apical thickening on the side . No evidence of vascular congestion or acute focal pneumonia .
    OUTPUT:
    
Large right hilar mass most likely representing malignancy