Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to chest radiographs from ___ , heterogeneous area of opacification in the right middle lobe suggests pneumonia . No pleural effusion . No pneumothorax . Prominent right and left pulmonary arteries are better assessed on prior chest CTA and reflect pulmonary hypertension . Otherwise , mediastinal , hilar and pleural surfaces are unremarkable . Heart size is top - normal .
    OUTPUT:
    
Probable right middle lobe pneumonia . Recommend follow - up chest radiographs in ___ weeks to ensure resolution .