As an expert in the field of oncology, I can provide you with information on the complexity of treating stage 4 cancer. Stage 4 cancer indicates that the disease has metastasized, meaning it has spread to other parts of the body and formed secondary cancers. While it's true that cancers that have spread are challenging to treat and are generally not curable in the long term, it's important to note that the outcome can vary significantly depending on the type of cancer, the individual's overall health, and the response to treatment. Treatment for stage 4 cancer often focuses on palliative care, which aims to improve the quality of life and manage symptoms. In some cases, treatments such as chemotherapy, radiation therapy, targeted therapy, or immunotherapy may help to shrink the tumors or control their growth. Additionally, advancements in medical research are continually improving treatment options and outcomes for patients with advanced cancer. read more >>

In quite a few cancers, stage 4 means the cancer has spread (metastasised) to another part of the body to form secondary cancers (metastases). As a general rule cancers that have spread are difficult to treat and are unlikely to be cured in the long term, although treatment can help to shrink or control them.read more >>