This is a pilot study. The main purposes for doing the study are to see if there is a relationship between lumpectomy volume and position as measured by USEI and by CT. This is not a study to see if the use of USEI is better than the current method of using CT for daily radiation therapy positioning.
No linked publications found in PubMed
Inclusion Criteria: * Women with breast cancer, who are status post lumpectomy and are scheduled to have radiation therapy, will be eligible.