“…All sites 3 [10,11,19] Digestive organs 4 [10,11,20,21] Respiratory organs 4 [10,11,19,20] Urinary organs 4 [10,11,19,20] Hormonal and/or reproductive organs 4 [10,11,19,20] Bone 8 [10,11,[13][14][15][16][17]22] Brain and nerves 3 [10,11,15] Blood and lymph 3 [11,15,19] Lip and skin 1 [11] Eye cancer 1 [18] *Some articles investigated more than 1 cancer site…”