Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A small left - sided pleural effusion is new . Cardiac size is top normal . No pulmonary edema or pneumonia . The mediastinum is normal . There is an acute appearing rib fracture of the lateral ___ left rib but no evidence of pneumothorax
    OUTPUT:
    
1 . Acute appearing , minimally displaced lateral 8th rib fracture without pneumothorax . 2 . New small left pleural effusion .