Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable single frontal chest radiograph was obtained with the patient in upright position . Compared to study from ___ , there has been no significant interval change . Again seen is the right upper lobe opacity with associated volume loss . There are persistent bilateral pulmonary nodules as well as multifocal consolidation . Bilateral pleural effusions are unchanged . No pneumothorax is seen . There is persistent pneumoperitoneum .
    OUTPUT:
    
1 . Persistent right upper lobe opacity , likely reflective of post-obstructive atelectasis and pneumonia as seen on prior chest CT . 2 . Stable bilateral pulmonary nodules and multifocal consolidation , most prominent in the left mid and lower lung fields . 3 . Persistent pneumoperitoneum .