A man was diagnosed with breast cancer after a cyst on his chest turned out to be a tumor. Jim Allen, 65, from the UK, discovered the pea-sized lump in the middle of his chest in 2014 after watching ...

Though they are very common, benign breast diseases may indicate an increased likelihood of developing breast cancer at a later point. New research published in the International Journal of ...

A breast lump is a swelling or bump in the breast that many people find scary, but most lumps are not cancerous. They can be caused by harmless conditions like cysts, infections, or changes in ...

Finding a lump in your breast is a fast route to stress city. What with all the scary breast cancer stats out there—like how 1 in 8 women will develop the disease over the course of her lifetime, or ...

The patient first noticed a firm, nontender, moveable hard mass while conducting a routine breast self-examination in the shower. A 69-year-old woman presents to the clinic with complaints of a large ...

Most breast lumps are benign. A benign breast lump is more likely to be tender and have a defined shape. But it’s not possible to know whether a lump is benign based on how it feels. See your doctor ...

MSK created this program because we’re experts in treating this type of cancer. Lobular breast cancer is very different from invasive ductal carcinoma, the most common type of breast cancer. It’s ...