Is pain under the right breast a sign of breast cancer?

Although pain under the right breast has not been shown to be a sign of breast cancer, some studies suggest that recurring pain may be a sign of cancer. In addition to painful symptoms, breast cancer may present with signs and symptoms including.
Pain in the upper back, neck or shoulders.
Swelling of the breast and persistent itchiness in the breast not associated with dry skin
A lump in the armpit or breast.
Changes in the size and shape of the breast, or changes in the appearance of the breast.
Significant redness and swelling of the breast.