Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small right apical pneumothorax . There is no mediastinal shift . There is no pleural effusion . Pars right basilar atelectasis . The cardiomediastinal silhouette 1 pulmonary vasculature , and aorta are within normal limits . Mild opacity in the right mid-upper lung with is consistent with biopsy site .
    OUTPUT:
    
Small right apical pneumothorax .