Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tiny apical right pneumothorax is not visible anymore . Right - sided pigtail is in unchanged position in right upper third peripheral hemithorax . The lungs are otherwise unremarkable . Right subclavian line ends in lower SVC . Tracheostomy is in adequate position . There is no pleural effusion .
    OUTPUT:
    
There is no residual right pneumothorax after chest tube was put on waterseal .