Cancer can also be differentiated based on the type of cell, namely carcinoma, sarcoma, melanoma, lymphoma and leukemia. Carcinoma is the most frequently diagnosed type of cancer and can originate from various organs, such as the skin, lungs, breast, pancreas and other organs and glands.  Cancer can also be differentiated based on the organs attacked, such as: Head and neck cancer, oral cavity and throat cancer, cancer in the digestive system.

Cancer can be differentiated based on its stage, namely:

Stage 1: The cancer is still small and has not spread to other places
Stage 2: The cancer has grown but has not spread
Stage 3: The cancer is larger and may have spread to surrounding tissue
Stage 4: The cancer has spread from its initial site to at least one other organ of the body.