Squamous cell carcinoma is also known to arise at the lip vermillion in those who smoke, right at the location where a person holds the smoking device, such as a cigarette or pipe.

研究现，鳞也可生于吸烟者的唇红，部位恰在吸烟者叼着烟具（如烟或烟斗）的地方。

And so if we assume that all of these women have nipple cancer at the nipple, which is not the most common location of breast cancer, most common breast cancers appear in the upper outer quadrant of the breast.

因此，如果我们假设所有这些女性的乳头生在乳头，而实际上乳头并不是乳腺最常见的病部位，大多数乳腺实际上生在乳房的外上象限。