question: 40 years old male complains of loin pain since 1 month. Patient's complaint of pain has severely increased over last 2 hours and pain now radiates from loin and to groin and anterior thigh and patient is writhing in bed for comfo. What is the most probable etiology?
opa: Bladder calculus
opb: Ureteric calculus
opc: Vesico ureteric reflux
opd: Hydronephrosis