Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lung volumes are low . An opacity in the right middle lobe partially obscuring the right heart border is seen as a triangular opacity at the intersection of minor and right major fissures on the lateral view . Also on the lateral view is a new 19 mm wide nodular opacity at the projecting over the retrosternal lung just below the level of the sternal angle with no clear correlate on the frontal view . No pleural effusion or pneumothorax is seen . Left sixth rib fracture is healed . .
    OUTPUT:
    
1 . New , small , right middle lobe pneumonia 2 . New retrosternal lung nodule could be a second focus of infection . Followup advised .