Intraoperative RT is given in –
Intraoperative radiotherapy can be used in:- Pancreatic carcinoma, Gastric carcinoma, colorectal carcinoma, Head & Neck cancers, Retroperitoneal sarcomas, Genitourinary cancers, Brain tumor and some gynecological malignancies.
Amongst all these, intraoperative radiotherapy is most valuable in pancreatic carcinoma.

Note:- Intraoperative radiotherapy has also been tried in early stage breast cancer after conservative surgery and it may become an important area in the management of early breast cancer.
Ca Cervix
Ca Breast
Ca Pancreas
Ca Thyroid