TORONTO, Ontario (CTV News) — As more Canadians receive COVID-19 vaccines, more and more people might encounter a side-effect that radiologists want the public to be more aware of — swelling under the ...

A lump started growing under my armpit, and it was noticable enough for my mom to say something. My doctor dismissed me twice, saying it was just a swollen lymph node. I'm glad I listened to my mom, ...

Armpit pain can come from injuries, infections, or swollen lymph nodes. To diagnose armpit pain, doctors may use lab tests, physical exams, and imaging studies. Symptoms of armpit pain include ...

LOUISVILLE, Ky. (WDRB) -- As more people get vaccinated against COVID-19, doctors are making sure they're aware of potential side effects. Most people have heard of symptoms such as sore arms or a ...

SAN FRANCISCO (KPIX 5) – In a growing number of women, a COVID-19 vaccine is causing some to think they may have breast cancer. But top doctors in the Bay Area say it may actually be a side effect of ...

CLEVELAND — First and foremost, do not skip your mammogram if you're due for one. Second, don’t panic if you’ve recently been vaccinated and you feel a strange lump under your arm, near your armpit or ...

In a rare case, painful swelling under a woman's arm turned out to be caused by a wart-like tumor growing from an extra breast in her armpit. The swelling had been growing for four years but had only ...