Most common garter snakes have a pattern of yellow stripes on a brown or green background, and their average total length (including tail) is about 55 cm (22 in), with a maximum total length of about 137 cm (54 in). The average body mass is 150 g (5.3 oz).
Centigray is a radiation absorbed dose measurement unit. A centigray (cGy) is a derived metric (SI) measurement unit of absorbed radiation dose of ionizing radiation, e.g. X-rays. The SI prefix centi stands for one hunfredths.
The final diagnosis was local recurrence and dedifferentiation of sacral chordoma with bilateral pulmonary metastases demonstrating original chordoma histology. After surgery, the patient received 4600 cGy of radiation in 200 cGy doses to the region of the recurrent right buttock chordoma.