1. Patients with lung or esophageal cancer stages I through IIIB who are going to receive at least 5 weeks of daily thoracic radiation therapy with or without chemotherapy in the Department of Radiation Oncology at M. D. Anderson Cancer Center (MDACC) and have an eligible and consenting family caregiver living with the patient while he/she receives treatment (i.e., adult child, sibling, parent).