Exercise During Chemotherapy Treatment As Adjuvant Program in Patients with Lymphoma: EDONOLA Study.

Inclusion Criteria: * Age: ≥18 years old. * Diagnosis of lymphoma with histological confirmation and requirement of systemic treatment including chemotherapy. * Time available (80 minutes, two days a week for 20 weeks) to carry out physical exercise sessions. * Have a mobile phone to be able to contact the person and download the physical activity level app. * Eastern Cooperative Oncology Group performance status (ECOG) ≤2. * Life expectancy \>12 months. * Availability and desire to participate throughout the study period. Exclusion Criteria: * Have a contraindication to moderate-high intensity exercise. * Other significant medical disorders: including psychiatric illnesses chronic or recurrent; intellectual disability, musculoskeletal problems, cardiac or pulmonary disorders that interfere with physical exercise; other malignant tumors in the last five years, with the exception of therapeutically controlled skin cancer; any other illness that may be seen affected or aggravated by physical exercise. * Have plans to be outside city more than two weeks. * People who are already physically active (that comply with the recommendations of WHO: \> 150 minutes of exercise moderate/weekly, plus training force two days/week). * Treatment based only with immunotherapy. * Central nervous system involvement due to lymphoma. * Have any important history that limit the capacity of the patient to participate in the study.