Best view for Tracheo-esophageal groove is:
(Left atrial) (994-Bailey & Love 24th)Tracheo-oesophageal fistulaA lateral chest radiograph shows a lucent proximal pouch that may displace the trachea anteriorly. If bowel gas is present there must be a fistula to the distal oesophagus.* In case of doubt Air (preferred) or a small amount of contrast medium can be injected through the nasogastric tube. Gas in the stomach confirms that there is fistula between the trachea and distal oesophagus.
Left atrial
Right atrial
Left ventricular
Right ventricular
Oesophagus