| To evaluate comorbidity in a patient with a head and neck cancer using the HNCA index of Reid et al.|
|Hematology/Oncology, Medical Oncology, Surgical Oncology|
|comorbid conditions, quality of life|
|C00-C14, C69-C72, C76.0|
Reid et al reported the HNCA (Head and Neck Cancer) comorbidity index for patients with head and neck cancer. The authors are from the University of Maryland, Johns Hopkins University, University of North Carolina at Chapel Hill and NIH.