What is this on my hen

[buckoboy98]

 

[Eggcessive]

It is a little hard to tell, but it could be fowl pox or feather cysts, maybe even tumors. Could tell us how old she is, your general location, if you have mosquitoes out now, and some more pictures in focus in good light might be helpful. Can she see her food and water? How long has she had this?