An underlying condition.
An enlarged lymph node in abdomen may appear to you as a typical sign of cancer in the stomach. But there could me more than one reasons why lymph nodes may become enlarged and swollen.  Lymph nodes are small, bean-shaped glands throughout the body. They are part of the lymph system, which carries fluid (lymph fluid), nutrients, and waste material between the body tissues and the bloodstream. The lymph system is an important part of the immune system, the body's defense system against disease. 1 The lymph nodes in the groin (femoral or inguinal lymph nodes) may swell from an injury or infection in the foot, leg, groin, or genitals. 2  In rare cases, testicular cancer, lymphoma, or melanoma may cause a lump in this area. The most common cause of swollen lymph nodes is an infection, particularly a viral infection, such as the common cold. However, there are other types of infections, including parasitic and bacterial, and other possible causes of swollen lymph nodes. They include: Lymph nodes are located in groups, and each group drains a specific area of your body. You may be more likely to notice swelling in certain areas, such as in the lymph nodes in your neck, under your chin, in your armpits and in your groin. The site of the swollen lymph nodes may help identify the underlying cause. Extra traffic through the lymph nodes--when there is some kind of condition causing an increase in inflammation--will cause these lymph nodes to become enlarged. There are many different things that can cause enlarged lymph nodes, including infections, auto-immune diseases, and even some cancers. It can be very unsettling to wait to see your physician to discuss the results, but you have taken the most important first step--seeking medical attention. I hope that the pain in your abdomen goes away soon and you can get back to your normal activities. It sounds like your symptoms have already caused you to seek medical attention, and that is the best thing to do when you have new and concerning symptoms. Swollen lymph nodes usually occur as a result of exposure to bacteria or viruses. When swollen lymph nodes are caused by an infection, this is known as lymphadenitis (lim-fad-uh-NIE-tis). Rarely, swollen lymph nodes are caused by cancer. Your lymph nodes, also called lymph glands, play a vital role in your body's ability to fight off viruses, bacteria and other causes of illnesses. Common areas where you might notice swollen lymph nodes include your neck, under your chin, in your armpits and in your groin.  Lymph nodes are part of the lymphatic system and are located throughout the body, including the neck, armpits, abdomen and groin. There are many causes for swollen lymph nodes. Most commonly, lymph nodes become swollen due to an infection, such as a viral upper respiratory infection like the common cold. Sometimes, lymph node swelling is caused by an underlying condition. Causes of swollen lymph nodes. There are many causes for swollen lymph nodes. Most commonly, lymph nodes become swollen due to an infection, such as a viral upper respiratory infection like the common cold. Enlarged lymph nodes are a symptom of an underlying health problem. Lymph nodes usually only swell when there is extra activity going on with them or they are congested. When lymph nodes swell, they can become tender to the touch but it is unusual that they alone can be the cause of abdominal pain. It seems that there is an underlying problem. When an infection is present, lymph nodes swell due to lymphocytes (white blood cells) rushing into the nodes to help fight the infection. The answer to your question in my opinion would be no. The cause of your abdominal pain may be linked with enlarged abdominal lymph nodes but they are not the cause of problem. There may be an infection present, you may have had a poor diet and created a bacteria filled environment, your body may be fighting a more serious ailment 1 Glands in the armpit (axillary lymph nodes) may swell from an injury or infection to the arm or hand. 2  A rare cause of axillary swelling may be breast cancer or lymphoma. 3  The lymph nodes in the groin (femoral or inguinal lymph nodes) may swell from an injury or infection in the foot, leg, groin, or genitals. 1 The lymph nodes in the groin (femoral or inguinal lymph nodes) may swell from an injury or infection in the foot, leg, groin, or genitals. 2  In rare cases, testicular cancer, lymphoma, or melanoma may cause a lump in this area. Small, bean-shaped structures called lymph nodes are found near the lymphatic vessels. There are about 600 lymph nodes throughout the body, some in deep tissues and others closer to the skin. Clusters of nodes are found in the neck, armpits, abdomen and groin. Other nodes are found in the chest, arms, and legs.
http://www.thehealthsite.com/diseases-conditions/enlarged-lymph-nodes-5-reasons-you-shouldnt-ignore-them/ http://www.webmd.com/a-to-z-guides/swollen-lymph-nodes-topic-overview?wwparam=1307921683 http://www.mayoclinic.org/diseases-conditions/swollen-lymph-nodes/basics/causes/CON-20029652 https://www.zocdoc.com/answers/10284/what-causes-abdominal-lymph-nodes-to-become-inflamed http://www.mayoclinic.org/diseases-conditions/swollen-lymph-nodes/basics/definition/CON-20029652 http://www.cancercenter.com/terms/lymph-nodes/ http://www.answers.com/Q/Are_enlarged_abdominal_lymph_nodes_the_cause_of_abdominal_pain http://www.webmd.com/a-to-z-guides/swollen-lymph-nodes-topic-overview?wwparam=1307921683 http://my.clevelandclinic.org/health/diseases_conditions/hic-swollen-lymph-nodes
what causes inflamed lymph nodes in abdomen