Cancer Patients' Performance Status Assessed Using Cardiopulmonary Exercise Testing and Wearable Data Generation

Patients will wear two devices: HealthPatch Sensor and Phillips Actiwatch. Health data (e.g. average steps per day, resting heart rate) will be collected and monitored over the course of a cycle of cytotoxic chemotherapy.

Patients will complete a CPET and 6 minute walk test within one week of starting an upcoming chemotherapy cycle and they will undergo a second CPET upon completion of said chemotherapy cycle.