<prompt> Histological type of Ca cervix most sensitive to radiotherapy is:Squamous cell carcinomaAdenocarcinomaEndometroid carcinomaMixed variety  <response>: Ans: a Squamous cell carcinoma Ref: Shaw, 13th ed,p. 412; Harrisons, 16th ed, p. 557Most common variety of Ca cervix is squamous cell carcinoma epidermoid.It accounts for 95 of all Ca cervix.In a patient with a bulky or barrel shaped cervix stage IB pre operative radiation shrinks the growth sufficiently to permit surgery thereafter.Treatment of Ca cervixStage Ia1 Micro invasive- Simple hysterectomyStage Ia2, Ib, IIa- Radical hysterectomy BLNDOrExt. RT ICRT BrachytherapyStage IIb- Preop RT - Surgery - PostOp RTOROnly RTStage III, IV- Only RT 