It can be cancer but just to make sure it isn't check with the doctor
no
The sore knot is a lymph node. Its relation to your cycle suggests a chance of breast cancer. See a doctor and get a biopsy.
it could be pregnacy, milk building up, or breast cancer
Under your armpit could be breast cancer. It is best you go see a doctor.
The glands and ducts of the breast can become inflamed or infected. There are a variety of reasons for sore breasts. You should see your doctor for proper diagnosis and treatment.
I am very sorry to tell you but you do have breast cancer.
This is likely to be breast cancer due to the red spots and soreness.
If the breasts are pressed gently there are no chances of any harm being done to her.
why are my breast sore and itchy
Yes, advanced breast cancer can metastasize to skin, although it is not that common for the breast cancer to spread to areas of skin besides the affected breast. That cancer that has spread to the skin will be the same pathology as the breast cancer which are commonly carcinomas. The original breast cancer will not change into melanoma or basal cell carcinoma once it spreads to skin. That would be a second new cancer.
If the soreness persists, check in with a doctor. Possibly might be an infection.
yes.