Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Overlying wires are present somewhat limiting assessment . There is a fiducial marker position in the left mid to upper lung likely representing site of recent biopsy . A small left apical pneumothorax is present . No evidence of tension . There is elevation of the left hemidiaphragm with left basal atelectasis . Right lung is clear . Cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
Left apical pneumothorax , small without signs of tension . Left basal atelectasis . Fiducial marker noted at the site of recent left lung biopsy .