1. 1 To determine the feasibility of a study that would describe changes of certain circulating inflammatory cytokines (Interlukin-1, 6, 8, 10, 12, and tumor necrosis factor-alpha (TNF) and symptoms related to chemoradiation therapy (pre-therapy, during therapy and up to 3 months post-therapy) among patients with lung, esophageal, gastric, colorectal and anal cancer.
1.2 To determine the feasibility of studying neurocognitive function in patients with NSCLC at presentation and during chemoradiation therapy to determine the prevalence, severity, and pattern of cognitive symptoms. |