. 2021 Jul 5;3(1):20210008. doi: 10.1259/bjro.20210008

Table 2.

PET/CT indications

	Number of PET-CT scans (N = 43)	%
Indication for PET/CT^a
diagnosis (without prior biopsy)	2	4.7
staging	20	46.5
primary staging	2
re-staging after therapy^b	18
interval monitoring	3
residual tumor & vitality	5
therapy response	11
suspected recurrence^c ^d	21	48.8
new lesion in preceding imaging	17
laboratory & tumor markers	10

CCA, Cholangiocarcinoma.

PET/CT indications: diagnosis (suspected primary), staging (primary staging and re-staging after therapy of histologically confirmed cancer), and suspected recurrence of previously treated cancer

of 18 cases re-staging after last documented therapy: 13 cases during/after chemotherapy, two cases after (re-) surgery, two cases after TACE, and one case after radiation therapy

of 21 cases with suspected recurrence (last documented therapy): 19 cases after chemotherapy, one case after re-surgery, and one case after radiation therapy

multiple selection possible