<prompt> In which case immunoguided surgery is done?CA colonCA pancreasCA jejunumCA anal canal  <response>: Radio-immunoguided surgery procedureinwhichradiolabeledsubstancesareadministeredandtumorsareexcisedbasedonthelocationofradioactivesignals Radio-immunoguided surgery for colorectal cancer The intra-operative detection of metastatic disease in colorectal cancer depends on tumor associated antigen and antibodies as well as detection technology. 