Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is a small left apical pneumothorax with mild atelectasis in the left lower lobe . There is a rounded density projecting over the left mid lung which is indeterminate and will require CT to further assess . This rounded mass measures approximately 6 .3 x 7 .2 cm . Right lung is clear . No signs of tension .
    OUTPUT:
    
Small left apical pneumothorax without evidence of tension . Rounded mass in the left mid lung will require CT to further assess . Mild left basal atelectasis .