Definitions for "Tangents"
Keywords:  greg, isbn, fiction, writer, stories
Tangents (ISBN 0-446-51401-2) is a collection of short stories by science fiction writer Greg Bear. The stories all originally appeared in a number of different publications.
Fields (radiotherapy target areas) which are planned in such a way that the irradiation of a sector of the chest wall following mastectomy or chest wall and breast following breast conserving surgery minimises irradiation of the underlying lung.
The straight unconvoluted portions at the end of the bellows.