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Common symptoms of oral cancer in dogs include excessive drooling, bad breath and difficulty eating. Bleeding from the mouth, weight loss and loose teeth are other common symptoms.


Dogs can smell the chemical markers that indicate certain types of cancer, according to PedMD. The first suggestion of using dogs for detecting cancer was documented in a 1989 medical journal, and since then, there have been several research studies on the subject.


Signs of cancer in children include unexplained weight loss, frequent infections and vision changes, according to the American Society of Clinical Oncology. However, cancer is hard to detect in children, and these symptoms may be caused by another medical condition, which is why parents should conta


The main signs of cancer include a persistent sore throat, changes in bladder or bowel habits, difficulty swallowing, indigestion and unusual discharge or bleeding, according to WebMD. Other signs include the formation of a lump or thickening in the testicles or breast, and changes in the shape, thi


Some of the most common signs of skin cancer may include a reddish patch that refuses to heal, a sore that bleeds seems to heal then reemerges, may look like a mole on the skin but develops much faster or appearance of a large spot with dark speckles, as stated by the American Academy of Dermatology


General symptoms of brain cancer include headaches, seizures, memory or personality changes and fatigue, according to the American Society of Clinical Oncology. Vomiting and nausea are additional symptoms. Other more tumor-specific symptoms may also occur when the tumor causes a specific part of the


If the cancer is a type of sarcoma called rhabdomyosarcoma, one sign may be a lump or a swelling in the leg muscles, according to the American Cancer Society. The lump may be red or tender and may even appear to be an injury, according to MedlinePlus. This cancer is more common in children.


Many patients with early-stage stomach cancer experience symptoms such as indigestion, mild nausea, bloating after eating, and loss of appetite, states WebMD. Typically, early-stage stomach cancer causes few symptoms, and the symptoms that are experienced are non-specific. For this reason, stomach c


The initial signs of cancer vary depending on the type, but they commonly include weight loss and fatigue. Dizziness and weakness are also common signs of cancer, according to the American Cancer Society.


Some signs of mouth cancer include a sore that does not heal, red or white patches, tongue pain, loose teeth and feeling like something is caught in the throat, according to Mayo Clinic. Other symptoms include a painful lump inside the mouth and difficult or painful swallowing or chewing.