Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The aortic arch is calcified . The mediastinal and hilar contours appear unchanged . There is a patchy right infrahilar opacity including a nodular focus of about 15 mm in diameter , although perhaps part of a developing consolidation . Posterior and lateral costophrenic sulci are blunted , so there may be potentially tiny bilateral pleural effusions . There is no pneumothorax . Mild rightward convex curvature and moderate degenerative changes are noted along the mid - to - lower thoracic spine . Vascular calcifications are widespread .
    OUTPUT:
    
Patchy right infrahilar opacity worrisome for pneumonia , but including a nodular component . The possibility of a true lung nodule should be considered . Either evaluation with dedicated chest CT , preferably with intravenous contrast , if possible , or short - term followup radiographs are recommended to assess further .