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A malignant tumour is a cancerous tumour, and it contains cells that have the ability to spread and invade surrounding tissues and organs. This type of tumour can cause damage that is potentially fatal.


Some of the causes of tumors in a dog include old age, poor oral care and breed of the dog, explains WebMD. Dogs that have not been spayed also have a higher instance of mammary gland tumors.


Not all brain tumors are cancerous. Primary brain tumors, which are tumors that originate in the brain, can be either non-cancerous or cancerous, according to Johns Hopkins Medicine. Secondary brain tumors start as cancer somewhere else in the body before spreading to the brain, so they are always c


All cancerous tumors eventually cause pain if they aren't treated, but they are usually painless at first. Some tumors cause pain early in the progression of the disease, such as bone tumors and testicular tumors.


Dog tumors can be treated, and the type of treatment largely depends on the type of tumor. There are three common types of tumors that affect dogs: fatty skin tumors also known as lipomas, benign (noncancerous) tumors and malignant tumors.


Various websites, including the American Cancer Society, WebMD and Mayo Clinic have photos of skin cancer tumors for the public to view. While these photos aren't meant to provide a medical diagnosis, they are a good basis for users to determine if a mark or bump on the skin should be evaluated by a


Cancer markers and tumor markers are the same thing. These markers are substances found in the blood, urine or other body fluids, and their levels indicate the presence of certain types of cancer, according to the National Cancer Institute. However, there are also noncancerous conditions that can af


The average total lung tumor dimension measures 3 inches in size, as stated by the University of Texas Southwestern Medical Center. Total tumor dimension is a measure that includes both the size of the primary tumor as well as other ones located in various sites of metastatic disease.


Doctors do not use pictures of skin cancer tumors to help treat them, unless they are seeking some additional confirmation of recognition. Pictures of skin cancer tumors can help a person realize that they should seek treatment. There are three main types of skin cancers, two of which usually presen


All bladder tumor diagnoses are not cancerous, according to the National Institutes of Health. Some bladder tumors are benign. One type of benign tumor found in the urinary bladder is called a glomus tumor. These tumors are quite rare.