Home-based Respiratory Muscle Training for Minimizing Side Effects in Patients Undergoing Treatment for Cancer

Inclusion Criteria: * Documented breast cancer and scheduled to receive adjuvant or neoadjuvant chemotherapy * Age \>= 21 years old * Diagnosed with solid tumor (e.g., head and neck, thoracic, or breast cancer) * Scheduled to receive at least one dose of chemotherapy or immunotherapy or radiation * Treated at Roswell Park Comprehensive Cancer Center Exclusion Criteria: * Presence of oral mucosal disease including oral mucositis, or oral candidiasis detected at baseline * Have uncontrolled intercurrent illness including, but not limited to, ongoing or active respiratory infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, heart failure or psychiatric illness/social situations that would limit compliance with study requirements * Any condition which in the Investigator's opinion deems the participant an unsuitable candidate to receive study intervention