Colon Cancer

Why you should be skeptical of calls for reduced cancer screening

To the editor: Dr. H. Gilbert Welch misses the point regarding the appropriate use of screening tests. The large-scale problem in this country is not overscreening but rather underuse of testing proven to detect lethal diseases at potentially treatable stages. ("We should look less hard for cancer," Op-Ed, Nov. 19)

Most every death from colon and cervical cancer could have been prevented with appropriate use of colonoscopies and cervical screening. Advances in detecting prostate cancer, one of the more challenging and heterogeneous cancers, are making it...