Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The lungs are clear bilaterally without focal consolidation , effusion , or pneumothorax . Nodular densities in the mid lungs bilaterally likely represent nipple shadows . Cardiomediastinal silhouette is stable . Bony structures are intact . No free air is seen below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .