This 75-year-old male went for a routine medical check-up. On digital rectal examination (DRE), an unusually hard nodule was palpated in the prostate gland. Blood was drawn in a red top tube, and serum sent for prostatic-specific antigen (PSA) showed a value of 80 ng/ml (expected, 0.1-4.0 ng/ml). A biopsy was performed, followed by suprapubic prostatectomy.
Which one of the following statements is NOT true?
| A. | Prostate specific antigen is a tumor marker commonly used to screen for prostate cancer. |
| B. | The three most common cancers in men are prostate, lung, and colorectum. |
| C. | There is 20% greater prevalence of cancer in African Americans. |
| D. | Cancers that are decreasing in incidence are lung, breast and prostate. |
| E. | Risk factor for cancer include smoking, high fat - low fiber diet, and obesity. |
