Detailed Look into Cancers - Broad groups of cancers

Carcinoma – any cancer that arises in epithelium, tissue that lines the skin and internal organs of the body
Sarcoma – any cancer of connective tissue. These tumors may occur in any part of the body, as they arise in the tissues that make up an organ rather than being restricted to a particular organ. They can arise in fibrous tissue, muscle, fat, bone, cartilage, blood and lymphatic vessel, etc.
Leukemia – it is a cancer of the blood in which the bone marrow and other blood forming organs over-produce immature or abnormal white cells
Lymphoma – any malignant tumor of lymph nodes or lymph gland