The Langerhans cells then travel to the lymph nodes and alert the immune system to trigger the immune response because a pathogen is in the body. Lymph nodes are small organs located throughout ...
Stage 1 means the melanoma is at an early stage. It is only in the skin and there is no sign that it has spread to lymph nodes or other parts of the body. Stage 1 can be divided into 1A and 1B.
Stage 2 means the melanoma is only in the skin and there is no sign that it has spread to the nearby lymph nodes or other parts of the body. Stage 2 melanoma is divided into 2A, 2B and 2C. Doctors ...