Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Worsening interstitial opacities are demonstrated likely reflecting superimposed mild pulmonary edema on a background of lymphangitic carcinomatosis . Small right pleural effusion has increased in size compared to the previous exam , with the left small pleural effusion remaining unchanged . The cardiac , mediastinal and hilar contours are stable . There is no pneumothorax . More focal opacities within the lung bases bilaterally likely reflect known lung masses as seen on the prior CT from ___ .
    OUTPUT:
    
Worsening interstitial opacities likely reflective of superimposed mild pulmonary edema on a background of lymphangitic carcinomatosis . Small bilateral pleural effusions , slightly increased in size on the right .