[The physicians' view on the utility and impact of oncological guidelines in clinical practice. A survey of Piedmont physicians].

Objective: To determine whether the guidelines (LGR) prepared in Piedmont for the treatment of colorectal and breast cancer reached the targetphysician population and how they were been perceived by physicians.

Design: We invited all Piedmont hospital units that had treated at least 5 cases of colon-rectal or breast cancer in 2002 to participate to the survey. Physicians had to fill a short mail questionnaire.