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 chest examination of ___ performed at the___ campus . The present PA and lateral chest views were obtained with patient in upright position . The heart size appears to be at borderline with a relative prominence of the left ventricular contour . This coincides with a moderate degree of widening and mild elongation of the thoracic aorta suggestive of systemic hypertension . Pulmonary vasculature , however , is not congested . The on next previous examination of ___ identified pulmonary parenchymal infiltrates that occupied the right middle lobe have resolved almost completely . There remain some small linear densities in this area suggestive of scar formations or peripheral remnants of atelectasis . No new pulmonary abnormalities can be identified . A linear density in the left upper lobe area reaching the apical pleura where local thickening exists appears to be evidence of old probably specific scars . Their appearance has not changed during the latest examination interval . Observed that the previous examination was also confirmed by a CT examination at that time . The apparent prominence of the right hilum did not demonstrate any mass .
    OUTPUT:
    
Marked improvement of previously identified pneumonia in right middle lobe area . Minor scar formation remains and a followup examination in another few weeks is recommended to see complete reconstitution .