Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . There is airspace consolidation in the right middle lobe compatible with pneumonia . There is an associated small right pleural effusion . There is mild loss of definition of the left heart border with subtle adjacent opacity which could indicate a small component of pneumonia within the lingula . Otherwise the lungs are clear . No pneumothorax . No signs of pulmonary edema . Heart size appears grossly stable . Mediastinal contour is unremarkable . Bony structures are intact .
    OUTPUT:
    
Right middle lobe and lingular consolidations compatible with pneumonia . Associated small right pleural effusion .