Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable semi-erect chest radiograph is limited by low lung volumes . Diffuse interstitial opacity is accompanied by hazy opacity a layering opacity at the left base . Cardiomegaly is moderate to severe . A tracheostomy tube terminates in the upper airway . A left - sided internal jugular catheter tip terminates at the brachiocephalic SVC junction .
    OUTPUT:
    
Interstitial opacities compatible with pulmonary edema . There may be a left layering pleural effusions .