Adverse effects of hematologic malignancies and treatments cause abnormality in physical function and quality of life. Treatments such as chemotherapy, radiotherapy and hematopoietic stem cell transplantation, which may have side effects on the body systems are used in early or late period. The most common side effect due to chemotherapy is fatigue. Vomiting, weight loss, anemia, depression, decreased aerobic capacity, loss of muscle strength, decreased physical functioning and deterioration in the quality of life are indirect side effects seen in patients.