Improving the Accuracy of Radiotherapy Planning and Delivery Using Kilovoltage Cone Beam CT Imaging
Inclusion Criteria:
- Patient has biopsy proven limited stage SCLC
- receiving radical concurrent chemoradiotherapy
- no prior chest RT
- no prior surgical resection of lung tumor
- no prior chemotherapy
- patients' lung tumors should be centrally-located to minimize the effect of
respiratory motion
- patient has biopsy proven TCC bladder
- receiving radical concurrent chemoradiotherapy or RT alone
- no prior chemotherapy
- patient signs study-specific consent form
Exclusion Criteria:
- mixed small cell and non small cell histology
- patient not being treated with concurrent chemoradiotherapy
- chemoradiotherapy given sequentially
- previous chest RT
- previous chemotherapy
- prior surgical resection of lung mass
- patient ineligible for pelvic RT
- patient does not sign study consent