Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 19 :42 is submitted .
    OUTPUT:
    
Right internal jugular central line is unchanged in position . A nasogastric tube is seen coursing below the diaphragm with the tip projecting over the stomach . It appears that the endotracheal tube has been removed . Hardware is seen overlying the lower cervical and lower thoracic / upper lumbar spine . Interval appearance of a linear opacity at the left base likely reflecting subsegmental atelectasis . There is decreased but persistent mild pulmonary and interstitial edema . Probable small layering effusions , right greater than left .