's general knowledge of impact on organism of tumour

's general knowledge of impact on organism of tumour
Generally speaking the impact on health of tumour depends on whether tumour is benign or malignant, the impact on organism of malignant tumour is more malignant.
( 1) Oppress and block: No matter benign tumour or malignant tumour, will block tube of some organs when it grows to certain size, or oppression reaches the neighbouring organ, for instance cancer of the esophagus blocks the esophagus and is in charge of.
( 2) Destroy normal organ structure and function: The function of destroying the normal organ is the inevitable result of most malignant tumour, if hepatocarcinoma can destroy the liver to organize, leukemia destroys the bone marrow to organize, so that influence the hematopoietic function.
( 3) Bleed and infect: Can cause and bleed when the cancer cell is infringed to the blood vessel, there is symptom bleeding promptly in early period in some tumours, if find that can get in time making a diagnosis and giving treatment in time.
( 4) Pain: Some tumours can cause pain while oppressing the nerve.
( 5) Cachexia: Can all be called the cachexia serious becoming thin, anaemia and depleted state in later period of most tumours. This symptom is to consume the nutrition of a large amount of organisms because of the growth of tumour, it was caused or pain influenced the patient's sleep, diet,etc..
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