Abiopsy reveals that a woman who has had breast cancer now has cancer in her lymph nodes. the process of cancer spreading from one organ or body area to others is

What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment.b) an epidemic is restricted to a local region; a pandemic is global.c) an epidemic has low mortality; a pandemic has higher mortality.d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.