Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding similar chest examination of ___ . The heart size is unchanged and remains within normal limits . No change in the appearance of mediastinum and thoracic aorta . The pulmonary vasculature is not congested . The , on previous examination identified , scattered multiple parenchymal patchy infiltrates mostly located to right upper and lower lung fields as well as mid portion of left lung have regressed moderately . Some faint patchy infiltrates remain , however . As before , there is no evidence of pneumothorax or pleural effusion as the lateral and posterior pleural sinuses are free . Metallic ring shaped pressed ornaments are seen as before and unchanged in position .
    OUTPUT:
    
Persistent evidence of scattered pneumonic infiltrates in patient with history of HIV . Comparison demonstrates that the infiltrates have regressed during the latest five days examination interval .