Correlative studies. (A) Day +14 plasma IL-6 levels are lower in the vitamin A arm than in the placebo arm. (B) Day +14 plasma IL-8 levels are lower in the vitamin A arm than in the placebo arm. (C) Day +21 plasma ST-2 levels are lower in the vitamin A arm than in the placebo arm. (D) Day +100 plasma ST-2 levels are lower in the vitamin A arm than in the placebo arm. (E) Day +21 SAA1 levels are lower in the vitamin A arm than in the placebo arm. (F) Day +30 absolute CCR9⁺CD8⁺ TEM cells are lower in the vitamin A arm than in the placebo arm.