article_snippet.sent: Because the cancer had spread to a Massachusetts woman who died from melanoma lymphatic system, doctors removed 13 lymph nodes from her groin.
article_snippet.sent: Because skin cancer had spread to skin cancer lymphatic system, doctors removed 13 lymph nodes from skin cancer groin.
article_snippet.sent: Doctors recommend doing regular skin checks for new moles and seeing a doctor if any change in size, shape or color.