Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided chest drain is in - situ . No pneumothorax seen . There is mild bilateral apical pleural scarring . A relatively well - defined opacity at the right upper lung contains a fiducial consistent with the patient 's known mass . A second opacity in the right mid lung is partially obscured by in ECG lead . Bilateral calcified breast prostheses are noted . No pleural effusion seen .
    OUTPUT:
    
No significant interval change when compared to the prior study .