1. 
   Partial mastectomy
   a treatment for breast cancer in which a tumour is removed, along with the skin covering it and some of the surrounding tissues and muscles
   Found op http://www.medichecks.com/glossary.cfm?ltr=P
   
   
2. 
   partial mastectomy
   removal of the tumor, along with varying amounts of surrounding normal tissue. See also lumpectomy and quadrantectomy. Called also segmental mastectomy.
   Found op http://www.encyclo.co.uk/local/21001
   
   
3. 
   Partial Mastectomy
   Removal of part of the breast or of a growth in the breast, along with only enough breast tissue to ensure that the margins of the removed specimen are free of tumor. Broader term(s): Mastectomy
   Found op http://www.pregnology.com/AZ/P/1
   
   
4. 
   partial mastectomy
   The removal of cancer as well as some of the breast tissue around the tumor and the lining over the chest muscles below the tumor. Usually some of the lymph nodes under the arm are also taken out. Also called segmental mastectomy.
   Found op http://www.cancer.gov/dictionary?expand=P
   
   

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