IRB Study Number 21-908
Status Recruiting
Institute Taussig Cancer Institute
Description
Primary Objective:
To assess changes in lung dosimetry (V5, V20, mean lung) on the affected side when using CPAP as compared to free breathing.
Secondary Objectives:
i. Total lung dosimetry with CPAP as compared to free breathing
ii. Cardiac dosimetry with CPAP as compared to free breathing
iii. Assess breast/chest wall or lung tumor motion as well as organ at risk motion
iv. Treatment time with CPAP treatments
v. Assess maintenance of inflation with CPAP using surface guidance (OSMS)
Inclusion Criteria
i. Cohort 1: Patients with left sided breast cancers
- Patients must be undergoing left breast/chest wall radiation with or without regional nodal irradiation
ii. Cohort 2: Patients undergoing lung SBRT
Primary lung cancers
Metastatic lung tumors
Exclusion Criteria
i. Patients < 18 years old (no upper age limit)
ii. Patients with right side breast cancer
iii. Patients who are unable to tolerate the CPAP device
