Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . A left chest tube remains in place . Persistent small left apical pneumothorax is unchanged from prior study . A small linear density outside the lung parenchyma in left apical area is new and suggests possible extrapleural blood collection . No focal consolidation or pulmonary edema is seen . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal .
    OUTPUT:
    
1 . Unchanged left apical pneumothorax . 2 . Possible small left apical extrapleural blood collection . Dr .___ ___ findings with Dr .___ ___ phone at 11 : 25 am on ___ .