Do we practice what we preach?
Clinicians recognize the importance of detailed staging for management of esophageal cancer. Despite this, they underestimate the utility of endosonography and fail to refer patients for appropriate evaluation. Lack of perceived usefulness and unavailability are important independent barriers to utilization of endosonography in clinical practice.
ASTL is dynamically expressed in the embryonic epithelium and in embryonic stem cells, suggesting an important function for the control of epithelial cell behavior during early development.