The following table shows the results of a retrospective study comparing radiation therapy with surgery in treating cancer of the larynx. The response indicates whether the cancer was controlled for at least two years following treatment

Cancer

Treatment Controlled Not Controlled

Surgery 20 2

Radiation Therapy 14 3

Cancer

Perform a one sided test to determine if the treatments effects are the same, justify your choice of test and comment results.

please give me the R code and output.