<prompt> Dog leg field Radiotherapy is useful forLymphomaSeminomaBronchogenic cancerCancer cervix  <response>: Modified Dog Leg field Superior border - Inferior border of the body of T11Inferior border - Superior border of the acetabulum Medial border - Tip of CL transverse process of L5 towards the medial border of IL obturator foramenLateral border - Line from the tip of the IL transverse process of L5 to the superolateral border of IL acetabulum 