Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated with slight flattening of the bilateral hemidiaphragms , and attenuation of pulmonary vascular markings within the upper lobes compatible with mild emphysema . The lungs are well aerated without focal consolidation concerning for pneumonia , pleural effusion or pneumothorax . A 7 mm density projecting at the left ___ intercostal space is compatible with a nipple , which appears symmetrical . Mild biapical scarring appears symmetrical . The pulmonary vasculature is not engorged . The cardiomediastinal silhouette is slightly prominent due to patient rotation compared to the prior study but otherwise appears within normal limits . There is dextroconvex scoliosis at the mid-to - lower thoracic spine . Irregularity at the right posterior seventh rib is unchanged and likely represents a prior fracture . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary process .