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According to World Health Organization, every 6 death in the world is due to cancer. It is estimated that there were 18.1 million new cases of cancer worldwide in 2020, and nearly 10 million people die from cancer each year. The fear of getting cancer typically affects those who have had the disease or have known people afflicted with it.

The origin of the word cancer is credited to the “Father of Medicine”, Greek physician Hippocrates, who used the terms carcinos and carcinoma to describe non-ulcer-forming and ulcer-forming tumors. When people are clinically diagnosed with tumors, they may consider them as cancer and incurable. However, not all tumors are cancerous, and not all cancers are fatal. The term "cancer" is used when a tumor is malignant, which is to say it has the potential to cause harm, including death. Here are some basic information about cancer and tumor, which hopefully can help you get a more accurate understanding of cancer.

What is Cancer?

Cancer refers to any of a large number of diseases characterized by the development of abnormal cells that divide uncontrollably and can infiltrate and destroy normal body tissue. Cancer often has the ability to spread throughout your body. It is the second-leading cause of death in the world.

Types of Cancer


Carcinoma begins in the skin or the tissue that covers the surface of internal organs and glands. Carcinomas usually form solid tumors. They are the most common type of cancers. Examples of carcinomas include prostate cancer, prostate cancer, breast cancer, lung cancer, and colorectal cancer.


 Sarcoma begins in the tissues that support and connect the body. A sarcoma can develop in fat, muscles, nerves, tendons, joints, blood vessels, lymph vessels, cartilage, or bone. 


Leukemia is a cancer of the blood. Leukemia begins when healthy blood cells change and grow uncontrollably. The 4 main types of leukemia are acute lymphocytic leukemia, chronic lymphocytic leukemia, acute myeloid leukemia, and chronic myeloid leukemia.


Lymphoma is cancer that begins in the lymphatic system. The lymphatic system is a network of vessels and glands that help fight infection. There are 2 main types of lymphomas: Hodgkin Iymphoma and non-Hodgkin Iymphoma

What is Tumor?

An abnormal mass of tissue results when cells divide more than they should or do not die when they should. Tumors, abnormal growth of tissue, are clusters of cells that are capable of growing and dividing uncontrollably; their growth is out of control.

Types of tumor


These tumors are not cancerous. They do not invade nearby tissue or spread to other parts of the body. If they are removed by doctors, they will not generally recur.

  • Osteomas, or benign bone tumors 

  • Benign brain tumors such as meningiomas and schwannomas 

  • Gland tumors such as pituitary adenomas 

  • Lymphatic tumors like angiomas


In these tumors, the cells are not yet cancerous, but they can potentially become malignant.

  • Acinic-keratosis, a type of skin condition

  • Cervical dysplasia, a lesion in the cervix

  • Colon polyps

  • Metaplasia of the lung

  • Leukoplakia


Malignant tumors are cancerous. The cells can grow and spread to other parts of the body.


  • Sarcoma

  • Germ cell tumor

  • Blastoma

  • Meningiomas

The Relations and Differences between Cancer and Tumor

Tumor is affected by carcinogenic factors, so that the individual cells in the local tissues of the human body lose the normal level of regulation. The cells they cloned become abnormal, resulting in the formation of new organisms with special shapes. Generally, tumor cells are considered to be monoclonal, that is, all tumor cells within a single tumor are derived from the same mutant cell.

Cancer is a general term for many diseases. After the cells in the body mutate, they will continue to divide, out of the body's normal level of control, and eventually form cancer. Cancer, also known as a malignant tumor, grows rapidly and could invade other tissues in the body, and there is no clear line from other tissues. Advanced cancer becomes fixated in the organ tissue causing necrosis and bleeding that makes it difficult to heal. Even surgery is difficult to remove them completely, and the disease is prone to relapse.

The growth rate of benign tumors is relatively slower. There is a capsule around the tumor, making it difficult to infiltrate into other tissues. When touched, they can slightly move within the body, and the texture is relatively softer, with clear boundaries from normal tissues. Most of them can be surgically removed with less negative effects on human life.

What is the Main Cause of Tumors and Cancer?

Leading risk factors for preventable cancers are smoking, getting too much ultraviolet (UV) radiation from the sun or tanning beds, being overweight or having obesity, and drinking too much alcohol.

How do Healthcare Providers Treat Cancer or Tumor?

  • Chemotherapy

  • Radiation therapy

  • Open surgery

  • Minimally invasive surgery

  • Hormone therapy

  • Biological response modifier therapy

  • Immunotherapy for cancer

  • Targeted therapy for cancer

  • Bone marrow transplant

Surgnova is specialized in minimally invasive surgery and tumor interventional treatment. It is committed to providing the world with cutting-edge surgical systems and instruments that are easy to use, high-quality, reliable, and affordable through innovative technology and highly efficient operations.

At present, Surgnova has established four platforms: endoscopy platform, energy surgery platform, surgical stapling platform and tumor ablation platform. They provide superior quality minimally invasive surgical solutions to the globe. The products mainly include 2D & 3D video endoscopy systems, gas insufflator, ultrasonic scalpel system, ultrasonic surgical & electrosurgical system, powered endoscopic staplers, electroporation system, microwave ablation system, radiofrequency ablation system etc., which cover all mainstream types of equipment and instruments throughout minimally invasive surgery. Among them, many products have obtained CE, NMPA, FDA certifications. The products and services of Surgnova have entered dozens of countries and regions in Europe, America, Asia, and Africa.  

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