Underground surgery

 is a stash featured in S.T.A.L.K.E.R.: Lost Alpha. "In case of trauma or bleeding, break this box."

- PDA description

Overview

 * The stash is the designated personal drawer in the New 100 Rads Bar, so chances are good you have already discovered or even used it.
 * Contents are neither useful (at this stage of the game) nor valuable.