Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip terminates approximately 4 cm from the carina . An orogastric tube tip terminates below the gastroesophageal junction however the side port is within the distal esophagus . Dual - lumen left subclavian central venous catheter tip terminates in the right atrium . The heart size is normal . The aortic knob is calcified . The pulmonary vascularity is normal . Minimal atelectasis is demonstrated in the left lung base . No focal consolidation , pleural effusion or pneumothorax is detected . No acute osseous abnormalities are seen .
    OUTPUT:
    
1 . Endotracheal tube in standard position . 2 . Orogastric tube tip is within the stomach but the side port is within the distal esophagus , and the tube should be advanced for optimal positioning . 3 . Left subclavian central venous catheter tip terminates in the right atrium . 4 . Left basilar atelectasis .