M’dziko lachitukuko chachipatala, ntchito ya opaleshoni yocheperako yapita patsogolo kwambiri m’zaka zaposachedwapa. Chimodzi mwa zinthu zochititsa chidwi zimenezi chinali kupanga makina opangira ma unilateral dual-port endoscope, ukadaulo wapamwamba kwambiri womwe udasintha momwe maopaleshoni ena amachitikira. Njira yatsopanoyi imapereka zabwino zambiri, kuphatikizapo kuchepetsa kupwetekedwa mtima kwa odwala, nthawi yochira msanga, komanso zotsatira zabwino za opaleshoni. Mu blog iyi, tiwona lingaliro la unilateral dual-port endoscopy, momwe amagwiritsidwira ntchito, komanso momwe amakhudzira gawo la opaleshoni.