Will the lung cancer infect

Can't, accurately say, the cancers can't infect.
Can affirm ground to say so far, the cancer can't infect.So-called infect, is a certain disease to spread to another Human body through a certain path from a personal body in a brief up.The infection has to have three conditions:Infection source, spread path and easy feeling crowd, threes lack a can not.The clinical data proves that the cancer patient isn't an infection source.
Before, everyone thought that"tuberculosis" had contagion, this"tuberculosis" was a tuberculosis.Suffer from a phthisical patient the masculine gender is at the phlegm germ be called to open sex tuberculosis, there is contagion, therefore run into a cough and spit out phlegm, take the patient of blood in the phlegm should notice to defend a disease.Tuberculosis is through the disease of breath way infection, but the lung cancer is different from tuberculosis, lung cancer is under various different cancer-causing factor functions, the partial cell unusually increases to living and loses normal cell appearance and the malignant tumor of dynamic state.The cancer cell ejected by phlegm liquid evaporates etc. reason because of the phlegm liquid humidity, the cancer cell quickly changes sex, bad dead, even if fresh phlegm liquid, make the cancer cell grow, breed outside the body, also need various nourishment and particular condition of giving.Scientist for developing a cancer cell for living's usually needing then can succeed after all sorts of hardship, therefore the cancer can't infect.
In the animal experiment, will take a lump animal and don't take the animal of lump common feed, process very long-term, don't discover that it directly infects.Some families have successively many people lung cancer or other tumors, this may be with together the family member has common gene and they may be placed in a homology of cancer-causing environment in relevant.Such as the contact of the smoking, radio material etc., so can successively take place a malignant tumor with household member.