Responsa for Chullin 107:37

וכי להוסיף על הטרפות יש

IF PART OF THE SKULL BROKE OFF BUT THE MEMBRANE OF THE BRAIN WAS NOT PIERCED; IF THE HEART WAS PIERCED BUT NOT AS FAR AS THE CAVITY THEREOF; IF THE SPINE WAS BROKEN BUT THE CORD WAS NOT SEVERED; IF THE LIVER WAS GONE BUT AN OLIVE'S SIZE THEREOF REMAINED; IF THE OMASUM AND RETICULUM WERE PIERCED ON THE INSIDE;<span class="x" onmousemove="('comment',' I.e., the perforation was in that part where one organ lies close to the other without any space intervening. The food therefore would only pass from one organ into the other and could in no way cause an infection of the internal organs.');">¹⁴</span>

Shut min haShamayim