Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 7 sternotomy wires are again identified . Again noted is cardiomegaly along with prominence of the hila bilaterally and increased lung markings at the lung apices , in keeping with pulmonary revascularization and an element of pulmonary edema . However the degree of interstitial markings seen on the prior study has improved . No pleural effusions .
    OUTPUT:
    
Cardiomegaly with mild pulmonary edema , which has improved in appearance from the comparison study performed ___ .