Reappraisal of classification of distal cholangiocarcinoma based on tumour depth.
H AoyamaTomoki EbataM HattoriM TakanoH YamamotoM InoueY AsabaM AndoM Naginonull nullPublished in: The British journal of surgery (2018)
ITT is an accurate approach for depth assessment in DCC. The four-tier ITT classification with cut-off points of 1, 5 and 10 mm seems to be a better T system than those in the seventh and eighth editions of the AJCC classification.