seroma
noun
se·ro·ma sə-ˈrō-mə 
plural seromas
: a localized accumulation of clear fluid that sometimes occurs in a part of the body (such as the abdomen or breast) where tissue has been incised, disturbed, or removed during surgery and that may cause swelling and discomfort
Word History
Etymology
probably borrowed from German Serom, from Serum serum entry 1 + -om -oma
First Known Use
1916, in the meaning defined above
Medical Definition
seroma
noun
se·ro·ma
: a localized accumulation of clear fluid that sometimes occurs in a part of the body (as the abdomen or breast) where tissue has been incised, disturbed, or removed during surgery and that may cause swelling and discomfort
Perinephric seromas are postoperative fluid collections, which can be large.
Hasan Bazari et al.
Hasan Bazari et al.