Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The small right apical pneumothorax is slightly improved . Small right pleural effusion and right basilar and right upper lung atelectasis are similar . Linear opacity at the left base is likely atelectasis . Cardiac and mediastinal silhouettes are stable . An right clavicular fracture is again noted . The right rib fractures are not well seen .
    OUTPUT:
    
Right apical pneumothorax is slightly improved from ___ .