in right side of
https://github.com/obophenotype/uberon/wiki/Modeling-paired-structures-Design-Pattern
NCIT:C25228
uberon
in_right_side_of
X in right side of Y <=> if Y is subdivided into two left and right portions, X is part of the right portion.
BSPO:0000121
spatial
in_right_side_of
in lateral side of