Significance and prognostic impact of comorbidity in head and neck cancer.

The authors reflect on the significance and prognostic implication of comorbidity in head and neck cancer. They comment that the use of the validated comorbidity scales can provide clinical yield for better management of head and neck cancer patients. They emphasize the importance of focused monitoring on the existence of multiple comorbid conditions in cancer patients. In addition, they suggest the proper evaluation of the cumulative effects of the disease as well as its dynamics.