Resected or not, you should always be on immunosuppressants with Crohn's.
As for fodmap, you may find this useful:
wiki article said...
Favorable foods (i.e. fructose equal to or less than glucose)[edit]
The following list of favorable foods was cited in the paper: "Fructose malabsorption and symptoms of Irritable Bowel Syndrome Guidelines for effective dietary management".[14] The fructose and glucose contents of foods listed on the Australian food standards[17] would appear to indicate that most of the listed foods have higher fructose levels.
Stone fruit: apricot, nectarine, peach, plum (caution — these fruits contain sorbitol);
Berry fruit, blackberry, boysenberry, cranberry, raspberry, strawberry, loganberry;
Citrus fruit: kumquat, grapefruit, lemon, lime, mandarin, orange, tangelo;
Other fruits: ripe banana, jackfruit, passion fruit, pineapple, rhubarb, tamarillo.
From:
/en.wikipedia.org/wiki/Fructose_malabsorption#Favorable_foods_.28i.e._fructose_equal_to_or_less_than_glucose.29