Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Cardiomediastinal silhouette and hilar contours are unremarkable . Subtle hazy opacity of the right lung apex remains similar in appearance to that of ___ and is of unclear etiology . The remainder of the lungs are clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Subtle hazy opacity of the right lung apex , similar in appearance to ___ that does not appear to have been previously evaluated . Recommend further evaluation with conventional PA and lateral as well as apical lordotic views to determine whether the opacity lies within the parenchyma or whether it is due to degenerative change . Results were discussed over the telephone with Dr . ___ by Dr . ___ at 11 : 17 a .m . on ___ at the time of initial review .