Table 3 Comparison of techniques
Good for | Poor for | |
|---|---|---|
CT | Advanced mediastinal disease Tracheo-bronchial invasion Distant metastases | Differentiating T stage Identifying involved lymph nodes |
— liver | ||
— lung | ||
— para-aortic nodes | ||
EUS | T stage Local nodal involvement | Distant metastases Tracheo-bronchial invasion |
Tumour stenosis limits use in advanced disease | ||
PET | Distant metastases Regional nodes Response to treatment | T stage and local invasion Local nodes |