Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable frontal views of the chest were obtained . The heart is moderately enlarged with stable cardiomediastinal contours . Patchy opacity of the right upper lung is similar to multiple prior exams , and compatible with pneumonia on the prior CT . New left retrocardiac opacity may represent a new focus of infection . Two calcified nodules are again seen in the right lung . No pneumothorax . Dense vascular calcifications are present . No radiopaque foreign body .
    OUTPUT:
    
Persistent right upper lobe opacity , compatible with pneumonia . New left base opacity may represent a new focus of infection or asymmetric edema Follow - up imaging after therapy is recommended to exclude an underlying mass .