Eligible patients will be enrolled into the study and receive at least two 20-min treatment sessions, 2 to 12 weeks apart, with the Investigational Therapy on healthy body tissue (i.e. non-tumor region) of back of the hand and/or foot. Number of treatment sessions and treatment frequency will be individualized per patient depending on patient's status as well as per the discretion of the treating therapist, who is specialized and experienced with using the Investigational Therapy. Patients will be assessed for quality of life, pain and patient's clinical status according to acceptable clinical evaluations.