Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Stable appearance of moderate pulmonary edema since ___ . Innumerable known lung nodules are not as well defined due to overlying pulmonary edema , and are better assessed on recent CT Chest from ___ . Superimposed pneumonia can not be excluded in the appropriate clinical setting . The heart size is unchanged . No pneumothorax .
    OUTPUT:
    
1 . Stable appearance of moderate pulmonary edema since ___ . 2 . Known pulmonary metastatic lesions are better assessed on recent CT Chest . 3 . Superimposed pneumonia can not be excluded in the appropriate clinical setting .