Stereotactic Radiotherapy for Metastatic Kidney Cancer Being Treated With Sunitinib

SRT to all areas of oligo-progression as follows: BRAIN: 20-24 Gy in 1 fraction if \< 2 cm,18 Gy in 1 fraction if 2-3 cm,15 Gy in 1 fraction for 3-4 cm, alternatively 25-30 Gy in 5 fractions can be used; SPINE: 18-24 Gy in 1-2 fractions,24 Gy in 3 fractions or 30-40 Gy in 5 fractions; NON-SPINE BONE: 30-40 Gy in 5 fractions; LUNG: 48-60 Gy in 4 fractions or 54-60 Gy in 3 fractions for peripheral lung tumours,50 Gy in 5 fractions or 60 Gy in 8 fractions for central lung tumours; LIVER: 30-60 Gy in 3-6 fractions,higher doses for central liver lesions and lower doses for peripheral liver lesions depending on proximity to adjacent organ (stomach, small bowel, large bowel or kidney); ADRENAL OR KIDNEY TUMOURS: 30-40 Gy in 5 fractions; LYMPHADENOPATHY: 30-40 Gy in 5 fractions.