esophagus (treatment sites)

esophagus starts where and ends where

cricoid cartilage

T10

what are the four divisions of esophagus?

cervical esophagus, upper thoracic esophagus, middle thorax esophagus, and lower thoracic esophagus

esophagus is made up of what three layers?

mucosa, submucosa, muscular layer

what are the two main symptoms of esophagus cancer?

dysphagia and weight loss

(T/F) there are lymphatic vessels within the submucosa layer of the esophagus

T

lymphatic spread can demonstrate what

skip metastasis

The upper thoracic esophagus drains into what 4 nodes?

internal jugular, cervical, paraesophageal, and supraclavicular node

The middle thoracic esophagus drains to what 5 nodes?

Paratracheal

hilar

subcarinal

Paraesophageal

pericardial

The lower thoracic esophagus drains into what 3 nodes?

celiac axis

gastric nodes

modes within the lesser curvature of the stomach

what’s the most common histology in the upper and middle sections of the esophagus

squamous cell carcinoma

what’s the most common in the lower section of the esophagus and GE unction

adenocarcinoma

what’s the most common esophageal cancer

adenocarcinoma

distant spread is common to what two places

liver

lungs