Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Technologist notes that the patient was in extreme pain and unable to cooperate fully . Images ___ lung volume , contributing to atelectasis and vascular crowding . Peribronchial opacification in the right upper lobe may be pneumonia . Mild peribronchial cuffing may be a sign of pulmonary edema . Heart size is normal , but increased since ___ . The mediastinal contours are normal . The pulmonary vasculature is normal . There is no pneumothorax or appreciable pleural effusion . Left trans subclavian hemodialysis catheter ends in the upper right atrium .
    OUTPUT:
    
Possible interstitial edema and possible right pneumonia , best evaluated with repeat erect views , conventional if possible , as soon as feasible .