Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New from the recent prior study is ill - defined medial right mid lung airspace opacity which may represent pulmonary vascular congestion , subsegmental atelectasis , or early peribronchial consolidation . There is no right - sided pleural effusion or pneumothorax . Opacification of the left hemi thorax is unchanged from multiple prior studies . A right IJ central venous catheter likely terminates at the cavoatrial junction . Demineralization severe multilevel degenerative changes are noted including spinal fusion hardware in the upper lumbar spine .
    OUTPUT:
    
New right mid lung airspace opacification may represent atelectasis , pulmonary vascular congestion , or early peribronchial consolidation .