Multiattack

Two Bite and two Claw. Can replace one Claw with Fling Limb. When it does tumor troll doesn't have disadvantage on this attack from being within 5 ft. of creature but can have disadvantage from other sources.

Bite

Melee Weapon Attack: +7 to hit, 5 ft., one target, 7 (1d6+4) piercing damage + 3 (1d6) poison.

Claw

Melee Weapon Attack: +7 to hit, 5 ft., one target, 11 (2d6+4) piercing damage.

Fling Limb

Ranged Weapon Attack: +7 to hit 20/60' one target 9 (2d4+4) bludgeoning damage + 7 (2d6) poison. Remove a teratoma from itself if it has one.