Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Comparison is made with the next preceding similar study ___ ___ . Since the next preceding study , a previously present right - sided PICC line has been removed . Heart size and mediastinal structures remain unchanged . The previously persistent remnants of the more massive infiltrates in the right upper lobe and middle lobe area have further regressed and constitutes now with only some linear disease pointing towards a local pleural thickening in the lateral axillary wall of the chest . No new infiltrates are seen . The right - sided diaphragm remains mildly elevated as before , but there is no evidence of residual pleural effusion as the lateral and posterior pleural sinuses are free . No pneumothorax is identified . Comparison is extended to an upright chest examination dated ___ and obtained at___ . Comparison demonstrates that the diaphragmatic contours are now slightly lower positioned after the diaphragmatic plication operation of ___ . If diaphragmatic function has improved can not be assessed on routine chest images .
    OUTPUT:
    
Further regression of parenchymal infiltrates in right hemithorax , now barely constituting scar formations . No new abnormalities .