Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Rind of soft tissue involving the left pleura is similar to prior . There has been improvement in the previously noted pulmonary edema . Prior right PICC is no longer visualized . Posterior right rib fractures are noted , unchanged .
    OUTPUT:
    
Improvement of previously seen pulmonary edema . No definite superimposed acute cardiopulmonary process .