Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , opacities in the right mid lung , corresponding to known empyema , are mildly improved but remain substantial . Low lung volumes persist . The right chest tube appears slightly kinked but is unchanged from prior exam . No pneumothorax . No new consolidations are seen . Mild cardiomegaly is unchanged . Note is made of multiple irregular rib lesions , compatible with patient history of myeloma .
    OUTPUT:
    
1 . Opacities in the right mid lung , corresponding to the known empyema , are mildly improved but remain substantial . 2 . Multiple irregular rib lesions are compatible with patient history of myeloma .