Fig. 4

Map of colorectal cancer screening resources in Mississippi. The primary practice sites of 104 practicing licensed gastroenterologists are shown (green dots) according to the number of gastroenterologists per municipality. Five increasingly larger green dots are shown for municipalities which have 1–2, 3–4, 5–7, 8–12, and 13–30 gastroenterologists. Of the 21 Mississippi municipalities with gastroenterologists, 15 (71.4 %) have fewer than 5 gastroenterologists