0010390 Triangular shaped phalanges of the 5th toe	0100237 Proximal foot symphalangism	0100471 Symphalangism affecting the middle phalanx of the 4th toe	0100474 Symphalangism affecting the proximal phalanx of the 4th toe
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0100481 Proximal/middle symphalangism of 4th toe

synonym

Symphalangism of the middle and proximal phalanges of the 4th toe

Fused innermost and middle bones of 4th toe