Exercise Testing for Early Stage Breast Cancer Patients Receiving Radiation Treatment

Inclusion Criteria

• •Female
• •ECOG performance status 0 or 1
• •Medical clearance from attending radiation oncologist or medical oncologist to undergo a symptom-limited CPET
• •Currently undergoing intact breast radiotherapy for early stage breast cancer (including TisN0, T1N0, T2N0) or has completed intact breast RT in the last 3 months.
• •Receiving or received a prescribed dose of 4240 cGy in 16 fractions to the whole breast without treatment directed at nodal basins. Patients may also be receiving or have received a boost to the lumpectomy bed at the discretion of the treating physician.
• •Subjects may be treated in the supine or prone position at the discretion of the treating physician.
• •Subjects may be treated with or without a deep inspiratory breath hold technique at the discretion of the treating physician.
• •Identified by the treating radiation oncologist as having significant treatment-related fatigue or minimal treatment-related fatigue and not simply baseline fatigue. A score of "0" on the RTOG fatigue scale will be considered minimal fatigue, while a score of "2" or greater will be considered significant fatigue (moderate fatigue causing difficulty performing some ADLs).