Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lateral view is slightly limited by the upper extremities . Overall , no significant change from the prior exam . Low lung volumes are again demonstrated and overall unchanged . No focal consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is stable . Slightly tortuous or ectatic descending aorta appears unchanged . Costal chondral degenerative changes are again seen at the level of the sternomanubrial joint bilaterally .
    OUTPUT:
    
No acute intrathoracic process .