Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC line is seen in the mid SVC , without pneumothorax . The patient has had prior sternotomy with aortic valve and mitral valves repair . The heart remains markedly enlarged . The pulmonary vascular enlargement and fluid along the right minor fissure has improved . The right - sided pleural effusion and basal atelectasis / consolidation is stable .
    OUTPUT:
    
Right - sided PICC in good position , without pneumothorax . Interval improved interstitial edema . Marked cardiomegaly