Symptoms of Cancer

Types The main types of cancer are sarcoma, carcinoma, lymphoma and myeloma, leukemia, central nervous system cancers.

Sarcoma begins in muscle blood, vessels, cartilage, fat, bone, or any other connective or supportive tissue.

Carcinoma begins in skin or tissues which cover internal organs.

Lymphoma and myeloma begins in immune system cells.

Leukemia starts in blood forming tissue as bone marrow, producing numerous abnormal blood cells and then they enter to blood.

Central nervous system cancer begins into spinal cords and brain.

origin Cancer has its origin in cell which is basic unit of human body. Body cells raise and divide within limit to keep body healthy. When they become old, they are replaced with new cells. Occasionally change or damage in the DNA material of cell results in mutation production. It affects division and growth of cell. At this stage death of old cells stop but formation of new ones goes on. As a result extra cells produce a tumor, a mass of the tissues. In leukemia tumor is not formed. All tumors are not cancerous some of them are malignant and some of them are benign. Benign tumors are not cancerous and they can be removed. They often do not come back. The cells from these tumors do not spread in body. Malignant tumors are cancerous tumors .These cells can spread in to other parts of body. These cells increase suddenly. Metastasis means spreading cancer from one part to other one. Caners are named after their origin into a specific organ.e.g. Cancer beginning in the mouth is known as the oral cancer.