margin involvement

(redirected from marginal involvement)

margin involvement

The direct extension of a solid malignancy (e.g., colorectal carcinoma) to the margin of resection. In practice, margins are regarded as involved if a tumour is located ≤ 1 mm from the resection margin.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
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It describes his brief experience in Soviet Russia in late 1942, his return to Paris, and his marginal involvement in an attempt to assassinate Hitler in July 1944.
There are concerns that current farm (and farmer) definitions are too inclusive, making some producers with marginal involvement in agriculture eligible for federal aid.
Remarks concerning the "shooting" of individuals or assertions of marginal involvement in the action confuse Nazi crimes with the making of commercial film in a way that confounds even the interviewer.
They attribute their general conclusions to their "collective years of listening, observing, reading, and marginal involvement in" Rhode Island politics.
The most influential revisionist, Bruce Cumings, argued in his two-volume Origins of the Korean War (1981, 1990) that this war, like the one in Vietnam, had begun primarily as a civil conflict, with only marginal involvement by the Soviets.