<caption><image_21>The image is a set of two graphs from the New England Journal of Medicine. The graphs are divided into two sections, one on the left side and the other on the right side. 

The left side of the image shows a line graph with a blue line representing the number of patients who have been diagnosed with cancer. The x-axis represents the time period, while the y-axis indicates the percentage of patients. The line graph shows a decrease in the percentage, with the highest percentage being in the first section and the lowest percentage being at the bottom.

There are two blue circles on the graph, one in the middle and one on top of the graph. The blue circle is labeled "New England Journal" and has a red arrow pointing to it, indicating that the graph is showing a decrease. The red circle is marked with a red line, indicating a decrease of the percentage. The graph also has a green arrow pointing towards the bottom section, indicating an increase in percentage.
- The graph on the top left side shows a downward trend, with a slight decline in percentage, and the blue circle on the bottom right corner shows a higher percentage. There is also a blue circle in the center of the line graph, which is labeled with</caption><transcript><audio_22> ensayo clínico controlado aleatorizado que se ha publicado hasta el momento no encontró que hacer colonoscopia de tamización sirviera para algo la muerte fue igual y la disminución de cáncer era similar a lo que pasaba con la rectocimboidoscopia y esto motivó</transcript> the only randomized controlled clinical trial that has been published so far, does not  found that screening colonoscopy was useful, death was the same and the reduction in cancer was similar to what happened with rectal screening.
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