Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . Increased opacity in the right lower lobe may reflect pneumonia or aspiration in the appropriate clinical situation or contusion given the provided history of fall . No pneumothorax or evidence of large pleural effusion . No pulmonary edema . The heart is top - normal in size . The mediastinum is not widened . The descending thoracic aorta is slightly tortuous . Vertebral body heights appear grossly preserved with mild - to - moderate degenerative changes in the thoracic spine . This exam is not dedicated for imaging of the ribs and portions of the lower bilateral ribs are not included on the images provided . Among the visualized ribs , no obvious fracture is identified .
    OUTPUT:
    
1 . Right lower lobe opacity could reflect pneumonia or aspiration in the appropriate clinical situation . Contusions in the setting of provided history of trauma is also possible . Correlate with clinical assessment and focal exam findings . 2 . No obvious fracture ; however , this exam is not dedicated for imaging of osseous structures and portions of the lower ribs are not included on these images . Recommend correlation with focal exam findings and obtaining dedicated radiographs specific to these regions as needed .