What to do with a 15 year old hen

[REDCHEQHEN]

She has a growth or abscess, behind the ear - she is 15 years old now, we have 2 x 15 year old hens and this one looks her age! 

Should we try lancing it or leave well alone, she has been in a widowhood hen box for several weeks but has had this problem for over a year and we have just recently boxed her up

[JCN]

Tighten some thread around it... Either that or leave it if it doesn't affect her 

[REDCHEQHEN]

In the end I have e-mailed Rod Adams - he thinks it is a benign neoplasm and should be left alone  (which is what we are doing) or only be dealt with by a vet, as there isn't a simple solution.

Just thought I would update you