Gastro-intestinal cancer in Africa, south of the Sahara.
D000349:Africa; D000352:Africa, Northern; D004067:Digestive System Neoplasms; D005770:Gastrointestinal Neoplasms; D041981:Gastrointestinal Tract; D007414:Intestinal Neoplasms; D009369:Neoplasms
GASTROINTESTINAL SYSTEM/neoplasms