Imaging techniques, while very helpful in suggesting the presence of specific disease, cannot diagnose this (or any other neoplastic disease) with certainty. Definitive diagnosis is almost always achieved by biopsy, followed by microscopic, histologic and immunologic examination of the tissues obtained.
Endoexoenteric
Nonsteroidal
Periwound
Colic
Tonic 
Port 
Extracorporeal
Bolus 