Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Semi-upright portable view of the chest demonstrates interval removal of an endotracheal tube . Swan - Ganz catheter is in unchanged position . Sternotomy wires appear intact . Extensive diffuse bilateral heterogeneous opacities are significantly progressed from prior exam , compatible . Small pleural effusions can not be excluded . There is no pneumothorax . The hilar and mediastinal silhouettes are unchanged . Cardiomegaly is mild to moderate .
    OUTPUT:
    
In comparison to study obtained 12 hours prior , there is significant interval progression of pulmonary edema , which is now severe .