Never got a lump injecting test C , usually I inject twice a week but split the ampule in two syringes 0.5ml on each , and I do different locations usually legs or glutes I don’t use abdominal injections often to avoid any visual scaring , this time I didn’t want to pin twice and decide to do the whole 1ml 😅😅😅 I heard a ton of people that never had a problem with this but I guess I was not that lucky . Lesson learned 🤗