So what's the difference between cancer cells and liver cells, why can one pass through walls but the other can't?
But we're not talking about cancer cells.
Lymph system circulates fluid, not organ cells. Cancer cells break into the lymphatic system all the time.
Lymph system circulates fluid, not organ cells. Cancer cells break into the lymphatic system all the time. [SEP] But we're not talking about cancer cells. [SEP] So what's the difference between cancer cells and liver cells, why can one pass through walls but the other can't?