Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A 4 .7 x 4 .2 cm right upper lung mass has increased substantially in size compared with ___ , at which time it projected over the anterior right third rib . No additional parenchymal lesions are identified and bilateral hila appear normal . The cardiomediastinal silhouette is normal . There is no pleural effusion , pneumothorax , pulmonary edema , or focal consolidation .
    OUTPUT:
    
4 .7 cm right upper lung mass for which contrast - enhanced CT is recommended .