D48: Neoplasm of uncertain or unknown behaviour of other and unspecified sites
D48.3: Neoplasm of uncertain or unknown behaviour: Retroperitoneum
When there is abnormal growth of tissue, then this is also referred to as a tumor. The tissue in the body is made up of cells. A tumor disorder involves the cells multiplying more than normal. This results in abnormal or excess tissue forming. A tumor can be benign or malignant.
Between the abdominal cavity and back, there is a space inside the body that contains a lot of connective tissue and fat. The kidneys, pancreas, part of the large intestine and aorta for instance are located in this space.
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The information provided on this page is for general educational purposes only. It is not intended for self-diagnosis and does not replace professional medical advice. Always consult your doctor or a qualified healthcare provider with any questions or concerns about your health.
If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.
For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.