The terms tumor and cancer can refer to different types of lumps and bumps. But the terms are often confused and misused—by ...

Cancer is a health condition in which cells grow uncontrollably, whereas a tumor is an abnormal mass of tissue that develops when cells multiply too quickly. Healthcare professionals may also refer to ...

Normally, the immune system recognizes and eliminates abnormal cells. However, cancer cells can develop strategies to evade ...

One of the best ways to defeat cancer is by rousing the immune system to attack it. Experts have thought that immune cells had to be inside of tumors for one type of immunotherapy, known as checkpoint ...

Pancreatic cancer cells are known for being hard to treat, partly because they change the environment around them to block drugs and immune cells. Scientists discovered that these tumors use a ...