Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable . No overt pulmonary edema is seen . Subtle rounded opacity projecting over the left lower hemi thorax may represent nipple shadow . This could be confirmed with repeat with nipple markers . Bilateral spinal rods are partially imaged and not optimally assessed on this study , however , no obvious spinal rod fracture is seen . No pulmonary edema .
    OUTPUT:
    
No focal consolidation . Subtle rounded opacity projecting over the left lower hemi thorax over the left anterior fifth rib may represent nipple shadow . This can be confirmed with repeat with nipple markers .