Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates improved aeration of the lungs relative to examination dated ___ . Heart is enlarged with a tortuous aorta . There is mild pulmonary edema . There is a probable trace right pleural effusion . No opacity convincing for pneumonia is seen . There is no air under the right hemidiaphragm . There is no pneumothorax . Large ossific density inferior to the left humeral bone may reflect large osseous loose body . Note is made of right seventh rib fracture , previously present .
    OUTPUT:
    
Cardiomegaly with mild pulmonary edema , improved since prior examination dated ___ . No evidence to suggest pneumonia .