Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Scoliotic deformity results in a partially rotated appearance of the chest . There is elevated left hemidiaphragm . There is a band - like opacity at the right lung base which could represent a small focus of aspiration in the right clinical setting . There is also mild coarsening of reticular interstitial markings which could indicate mild interstitial edema versus chronic interstitial fibrotic changes . Heart size can not be assessed . Mediastinal contour is grossly unremarkable . Bony structures intact .
    OUTPUT:
    
Limited study with vague band - like opacity at the right lung base , which could in the right clinical setting represent a focus of aspiration . Possible mild interstitial edema versus chronic interstitial fibrotic change .