Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouettes are stable and within normal limits . The bilateral hila are unremarkable . Subtle hazy opacification of the bilateral lower lungs likely relates to a combination of crowding of bronchovascular structures in the setting of a suboptimal inspiratory effort and attenuation from overlying soft tissue , and is unchanged in appearance compared to a chest radiograph from ___ . There is no focal lung consolidation , and the upper lungs are clear . There is no evidence of pulmonary vascular congestion . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No acute cardiopulmonary process . No significant interval change when compared to the prior study .