Inclusion Criteria:  Being a cancer patient Being over 18 years Having an Eastern Cooperative Oncology Group (ECOG)≤1, Being e able to walk 500 meters without resting Feeling or presenting any physical side effect related to cancer treatments, like weakness, fatigue, change in body composition, and/or physical pain, without significant clinical implications  Exclusion Criteria:  Presenting any physical or psychological disability Having an ejection fraction below 50% Having any American Thoracic Society recommendations to not develop a Cardio Pulmonary Exercise Test Present joint limitations with need of rehabilitation exercise, grade 1-2 lymphedema Presenting active bone metastasis.