Abbreviation for carcinoma in situ.
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capacity information system; carcinoma in situ; catheter-induced spasm; central inhibitory state; Chemical Information Service; clinical information system; computer-integrated surgery; computerized information system; continuous interleaved sampler; Coronary Intervention Study; cumulative impairment score
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CIS abbr carcinoma in situ
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(sis) [L. “on this sideâ€] 1. in organic chemistry, having certain atoms or radicals on the same side. 2. in genetics, denoting two or more loci, especially pseudoalleles, occurring on the same chromosome of a homologous pair. Cf. trans>. See also cis-trans test, under test.Medical dictionary. 2011.