The tumor bed size change after surgery of breast cancer patients undergoing breast conserving therapy.

The tumor bed size change after surgery of breast cancer patients undergoing breast conserving therapy. - The tumor bed size change after surgery of breast cancer patients undergoing breast conserving therapy.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000057179

Enrollment

Registered

2025-02-28

Start date

2018-12-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

breast cancer

Interventions

In addition to the usual planning CT scan before the start of radiation therapy, CT scans are taken immediately after surgery and before boost irradiation.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: All cases scheduled for BCT treatment at our hospital

Exclusion criteria

Exclusion criteria: N/A

Design outcomes

Primary

Measure	Time frame
Size difference of the tumor bed on CT of the breast on the next day of breast conserving therapy, before the start of radiotherapy, and before the tumor bed boost.	—

Countries

Japan

Contacts

Public ContactAnneyuko Saito

Juntendo University Urayasu Hospital Division of radiation oncology department of radiology

anne@juntendo.ac.jp047-353-3111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026