Thoracic 18

Which gene during development is thought to aide in the creation of a septum that separates the trachea from the esophagus?

Which if the following describes the most common occurring congenital esophageal abnormality?

Barium swallow demonstrates a 5cm smooth contoured filling defect in the distal esophagus. An intramural mass is suspected. The patient is asymptomatic, but worried. What is the next step in management?

Which benign esophageal tumor may be associated with vertebral and spinal cord abnormalities

What is the next step in management regarding a 3cm esophageal GIST which demonstrates 6 mitoses per 50 high power field on biopsy?

Biopsy of a large, fungating mass in the distal esophagus shows round neoplastic cells with granular, hyperchromatic nuclei. Immunohistochemistry staining demonstrates chromogranin A synaptophysin. What cancer is this most consistent with?

Submucosal esophageal masses are best differentiated by which imaging modality?

Which is true when comparing the transhiatal and Ivor Lewis esophagectomy techniques?

A patient undergoes a work up for adenocarcinoma of the distal esophagus and is found to have a tumor that invades into the adventitia and one regional lymph node that is PET avid on his FDG-PET/CT, but is unable to be biopsied. He undergoes preoperative chemoradiation and then is taken to surgery for an esophagectomy and is found to have a complete response with no residual tumor. How would this patient be staged based on the TNM system?

Which of the following is true regarding the Siewert Classification modifications in the 8th edition of the AJCC Cancer Staging Manual

Which of the following is true for squamous cell carcinoma of the esophagus

What percentage of cancer in the United States is attributed to esophageal cancer?

The “strength layer” of the esophagus is primarily the:

An 83-year-old man presents to his primary care physician complaining of long standing severe halitosis. Additionally, he reports frequent regurgitation of undigested food, and a cough. His vital signs and physical examination are within normal limits. His primary pathology is created by a weakness between which two structures?

A patient is undergoing routine upper endoscopy in the setting of recent symptoms suggestive of GERD. Mild esophagitis is discovered, however otherwise, the visualized esophagus was normal. In the post-procedural recovery area, the patient develops tachycardia and is admitted for observation. A perforation is suspected. What is the most likely site?

Which of the following patients would be considered a candidate for diaphragmatic pacing?

Which of the following describes the etiology of congenital diaphragmatic eventration?

Which of the following represents the most common malignant primary tumor of the diaphragm?

Which of the following anatomic relationships is incorrect with regards to the diaphragm openings?

A 56 year old male presented to the clinic with an abnormal chest x-ray obtained by his primary care physician showing intrathoracic abdominal contents including small bowel in the lateral chest. He has no history of trauma or surgical procedures in the past. A CT of the chest confirms a lateral diaphragmatic defect with herniated small intestine and colon. Which of the following is correct about his diagnosis?