Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the prior examination , there has been no significant interval change . The patient is status post VATS right hilar nodal biopsy , and there is no overt pneumothorax identified . A right chest tube is in unchanged location . Small , bilateral pleural effusions are unchanged . Allowing for differences in the patient positioning , the cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Status post right VATS without evidence of overt pneumothorax . Otherwise , stable chest radiographs .