It depends if it hurts your breast or lump when you do it? try to make some outwards massage and lymphatic massage for 1 or 2 days without noogling and see if the lump decreases.
https://www.youtube.com/watch?v=WZW58NoVrio
https://www.youtube.com/watch?v=VcS-JvVIlDg
https://www.youtube.com/watch?v=WZW58NoVrio
https://www.youtube.com/watch?v=VcS-JvVIlDg