Numbers of copies short of the quantity ordered.

The difference between the number of printed pieces ordered and the number actually printed when the production of printed pieces is less than the quantity that was ordered. See also OVERS OVERRUN UNDERRUN

the number of pieces by which a printing run is short of the quantity specified in the purchase order. USPS - United States Postal Service

depicting an implant placement, subpectoral - under the pectoral muscle.