1, necrosis: enzyme solubility changes characterized by the death of local tissue cells in vivo. 2, granulation tissue: composed of newborn thin-walled capillaries and proliferation of fibroblasts, and accompanied by inflammatory cell infiltration, the naked eye manifested as bright red, granular, soft and moist, resembling a tender bud of meat, so the name. 3, chemotaxis: a mature differentiated cells chanting another kind of differentiated cells to replace mature process. 4, thrombosis; in the living heart and blood vessels, blood clotting or some of the formed components of the blood clumped into a solid mass process called thrombosis. 4, thrombosis; in the living heart and blood vessels, blood coagulation occurs or some of the formed components of the blood coagulate into a solid mass of the process, known as thrombosis. 6: cellulitis: suppurative inflammation of loose connective tissue, often occurring in the skin, muscles and appendix. 8, septic bacteria invade the bloodstream, in which a large number of multiply, and through the bloodstream to the host of the body's other tissues or organs, producing a new suppurative lesion. new septic foci. 9、Tumor heterogeneity: Tumor tissues have different degrees of differences from normal tissues from which they originate, both in cellular morphology and tissue structure, and such differences are called heterogeneity.10、Malignant stasis: a state in which the body is severely emaciated, anemic, anorexic, and systemically weakened.