Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouettes are within normal limits . The bilateral hila are unremarkable . There may be minimal increased opacity at the right heart border / cardiophrenic angle , likely secondary to crowding of bronchovascular structures . The lungs are otherwise clear without evidence of focal consolidation , nodule , or mass . There is no evidence of pulmonary vascular congestion . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No acute cardiopulmonary process .