What is Cancer II Cancer awareness Month
What is Cancer? Cancer is a malignant neoplastic disorder that can involve all body organs with manifestations that vary according to the body system affected and type of tumor cells. Cells lose their normal growth-controlling mechanism, and the growth of cells is uncontrolled. Cancer produces serious health problems such as impaired immune and hematopoietic (blood-producing) function, altered gastrointestinal tract structure and function, motor and sensory deficits, and decresed respiratory function. Metastasis Cancer cells move from their orginal location to other sites. Routes of metastasis Local seeding: Distribution of shed cancer cells occurs in the local area of the primary tumor Blood-borne metastasis: Tunor cells enter the blood, which is the most common cause of cancer spread. Lymphatic spread: Primarys sites rich in lymphatics are more susceptible to early metastatic spread Common sites of Metastasis Bladder Cancer Lung Bone Liver Pelvic, retroperitoneal str...