Walking for Recovery From Surgery in Improving Quality of Life in Older Adults With Lung or Gastrointestinal Cancer and Their Family Caregivers

-Inclusion: * PATIENT: Diagnosis of lung or GI (colorectal, pancreas, liver) cancers * PATIENT: Scheduled to undergo surgery * PATIENT: \>= 65 years * PATIENT: Able to read and understand English * CAREGIVER: Family member/friend identified by the patient as the primary caregiver before and after surgery * CAREGIVER: \>= 21 years * CAREGIVER: Able to read and understand English * This study will be conducted in patients and family caregivers who are scheduled to undergo lung or GI cancer surgery treatment * There are no restrictions related to performance status or life expectancy * All subjects must have the ability to understand and the willingness to sign a written informed consent Exclusion • Subjects, who in the opinion of the investigator, may not be able to comply with the safety monitoring requirements of the study