Background A number of studies have shown poorer survival among cancer patients with
comorbidity. Several mechanisms may underlie this finding. In this review we summarize the …

The object of this article was to systematically review available methods to measure
comorbidity and to assess their validity and reliability. A search was made in Medline and …

A literature search was carried out to identify and summarize the existing information on
causes and consequences of comorbidity of chronic somatic diseases. A selection of 82 …

BACKGROUND:: As more and more cancers occur in elderly people, oncologists are
increasingly confronted with the necessity of integrating geriatric parameters in the treatment …

Abstract In 2003, the American Cancer Society updated its guidelines for early detection of
breast cancer based on recommendations from a formal review of evidence and a recent …

Background: The number of elderly patients with breast cancer is increasing. Limited age-
related information available about this disease prompted this study. Patients and Methods …

An earlier diagnosis is a key strategy for improving the outcomes of patients with cancer.
However, achieving this goal can be challenging, particularly for the growing number of …

The aim of this article was to provide oncology researchers with adequate tools and practical
advice to integrate comorbidity into clinical studies. Open research questions are also …

Lung cancer is associated with smoking and age, both of which are associated with
comorbidity. We evaluated the impact of comorbidity on lung cancer survival. Data on 56 …

As the world population ages, oncologists are increasingly confronted with the problem of
comorbidity in cancer patients. This has stemmed an increasing interest into approaching …