Closed pyometra/huge pyometra/in a French Mastiff Dog/surgical treatment of huge closed pyometra

Whole-channel inclusion: Veterinary Surgery & Radiology Education is an honest teaching channel (title sample + 3 transcripts read: The only transcript available shows a veterinary professor providing structured, detailed surgical teaching during a real procedure, consistent with the channel's educational purpose.); this title passed a strict title check (sonnet) after a labelling pass.