concept of stomach puncture or gastrointestinal perforation. hand of surgeon pierces wall of model of human stomach for therapeut

analysis aspiration biopsy cancer cause cell concept condition cytology diagnosis examination fiberoptic fibrogastroduodenoscopy gastric gastroduodenoscopy gastroenterology gastrointestinal hand health histological histology human idea incisional inflammation intervention laboratory malignant manual material medical medicine model needle operation pain pathology perforation picture pierces procedure puncture purposes stomach surgeon surgery test therapeutic tissue wall