National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
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lumen

 The cavity or channel within a tube or tubular organ such as a blood vessel or the intestine.

Previous Definitions:LSIL, LU 79553, LU-103793, lubricant, lumbar puncture
Next Definitions:lumpectomy, lung, lung biopsy, lung cancer, lung metastasis