Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Left - sided chest tube has been removed . There is interval resolution of apical pneumothoraces . There are bilateral linear opacities at the prior chest tube sites , likely atelectatic changes or very subtle bleeding along tube tract . Lung volumes are low , which may contribute to the apparent increase in cardiac size .
    OUTPUT:
    
Resolution of bi-apical pneumothoraces .