Segmental Spinal Anaesthesia with Posterior Quadratus Lumborum Block for Laparoscopic Cholecystectomy in a Patient with Bronchiectasis: A Case Report. - SHETH, DHWANI; VERMA, NEETA; PAUL, AMREESH; MAQUSOOD, SHAFAQUE; SHAH, SAURAV (Journal of Clinical & Diagnostic Research, 2026)