Are cancerous breast lumps painful?

They can be. A common misconception is that if a woman has a tender, painful lump in their breast, it is unlikely to be cancer. While it is true that many women with breast cancer do not have breast pain, the presence of pain does not exclude cancer as the cause. Bottom line: a new lump in the breast, painful or not, warrants medical evaluation.
Variable. Whether a breast mass is painful is not very helpful in deciding whether the mass is malignant or benign please see a breast surgeon.

Related Questions

Are very painful breast lumps associated with cancer?

They can be. A common misconception is that if a woman has a tender, painful lump in their breast, it is unlikely to be cancer. While it is true that many women with breast cancer do not have breast pain, the presence of pain does not exclude cancer as the cause. Bottom line: a new lump in the breast, painful or not, warrants medical evaluation. Read more...

I'm 19 and I've 2 lumps in my breast; it's tender and painful. I've been referred to a clinic where I recently found a lump atthe side of my neck too. Could it be cancer?

One in a Million. An overwhelming majority of breast lumps in teenagers are benign tumors, called fibroadenomas. The lump in your neck is probably a lymph node that has been present for awhile but aware to you now due to your breast findings. When you are seen in the clinic, they will likely order a painless test (an ultrasound) and refer you to a breast specialist to seek out their opinion. Read more...
Not likely. At your age a cancer is unlikely. But, it is important to go to the clinic you were referred to. Infection is more likely. Read more...