This is an observational study. This study is for men and women who will undergo a standard of care advanced endoscopic therapeutic procedure and subsequent follow‐up clinic visits. 
    
The purpose of this registry study is to collect data through medical chart review on the efficacy and safety of various Advanced Endoscopic therapies (AETs). This study is being conducted to compare and evaluate the different types of endoscopic advanced procedures to achieve their desired purpose, and report on their safety, efficacy and comparative outcomes. 
    
If an individual agrees to participate in this study, data (i.e. date of birth, gender, recent medical history, procedure related information, hospitalization) will be collected from any visits the participant makes/made to the clinic related to the AET. 
    
Participation data will be collected for up to 1 year.