Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph . Compared to most recent radiograph , there is no significant interval change . Again seen is mild cardiomegaly , bilateral pleural effusions , and pulmonary vascular engorgement . Healed posterior left rib fracture is noted . The previously noted left 7th rib fracture on is barely seen . There is no pneumothorax .
    OUTPUT:
    
Mild pulmonary edema , unchanged from ___ .