... Chapter 077. Approach to the Patient with Cancer (Part 3) Cancer Around the World In 2002, 11 million new cancer cases and 7 million cancer deaths were estimated ... cases were in Asia, 26% in Europe, 14.5% in North America, 7.1% in Central/South America, 6% in Africa, and 1% in Australia/New Zealand (Fig. 77 -3). Lung cancer is the most common cancer and ... diagnosis of cancer relies most heavily on invasive tissue biopsy and should never be made without obtaining tissue; no noninvasive diagnostic test is sufficient to define a disease process as cancer. ...