Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . No focal consolidation , edema , effusion , or pneumothorax . The heart is normal in size . The mediastinum is not widened . No hilar lymphadenopathy . No acute osseous abnormality . There may be an 8 mm pulmonary nodule projecting between the fifth and sixth left posterior rib space versus is a but did not from overlying clothing .
    OUTPUT:
    
1 . No focal pneumonia or mediastinal widening . 2 . No evidence of fracture . Please note that this exam is not dedicated for evaluation of bony structures . If there is clinical concern for sternal fracture or rib fractures , dedicated bone radiographs corresponding to focal exam findings is recommended . 3 . 8 - mm possible pulmonary nodule between the left fifth and sixth posterior ribs could be a clothing artifact .