Conversation: The conversation between human and AI assistant.
[|Human|] hi doctor my son is diagnosed with a liver enlargement of 9.8cm and has bruising in his body. doctors say he has av malformation in the liver .please advice what is normal liver size of a 4.5yrs
[|AI|]  Welcome to Chat Doctor Good Deliver size should be approximately 5 cm vertical length in his age. AVM of the liver is an abnormal connection of the arteries and veins which cause organ damage and in most cases cardiac failure. Since it is in the liver, the Doctor can explain various treatment methods like embolization where they block this abnormal blood vessels. Also, if there are many Arms in the liver, liver transplantation may be required in some cases. He is having bruising because pf diffuse liver damage. As of now your son needs vitamin K injections to prevent bleeding and bruising. Speak to your Doctor regarding the available treatment options.