The document discusses esophagus cancer, including that cancer usually causes narrowing of the esophagus and trouble swallowing. It covers measuring the location of tumors, lymph nodes at risk, reading CT and PET scans to locate cancer, and the two main types of esophagus cancer - squamous cell carcinoma and adenocarcinoma. Side effects of treatment like radiation are also mentioned, such as sore throat, trouble swallowing, cough, and fatigue.

1. Esophagus Cancer Understanding the disease Treatment options Side effects of treatment

2. Cancer usually causes narrowing of the esophagus causing obstruction and trouble swallowing

3. The location of the tumor is measured as the distance from the teeth

7. Lymph nodes from the esophagus

9. Lymph Nodes at Risk for GE junction

10. CT Location of the Lymph Nodes

11. Reading a CT Scan

12. Cross Section Anatomy of the Chest

14. Cross Section Anatomy of the Chest

15. Normal CT Scan through the esophagus, normally the esophagus has a thin wall

16. Cancer on CT Scan – the esophagus looks thickened (like a donut)

17. PET Scan through Middle Esophagus

18. PET Scan through Lower Esophagus

20. PET Scan = Cancer in Lower Esophagus

21. Types of Esophagus Cancer Squamous cell carcinoma (upper or middle, related to smoking_ Adenocarcinoma (lower or where the esophagus joins the stomach (GE junction) related to reflux or GERD (Barrett’s esophagus)

22. Stages of Esophagus Cancer

31. Side Effects of Esophagus Radiation Esophagus – sore throat or trouble swallowing Trachea or lungs – cough or shortness of breath Chest wall – tenderness Skin – sunburn Fatigue