Need help Ameracana has large lump

[njoysunshine2000]

My ameracana has a large lump on the front of her chest feathers are gone and looks sore. She stopped laying eggs.

 

[FarmerGirl101]

Welcome to BYC! Can you please post pictures

 

[EggSighted4Life]

Please post a pic if you can?

Also her age, what do you feed including treats and supplements, where are you located? Is she still eating and drinking, staying with the flock? Any recent changes to your flock or feeding? Are her droppings normal? When was the last egg?