As a absolute non-expert, the cancer deaths I have heard about seem to often include surgically removing the solid tumor but perishing due to metastasis - so in

As a absolute non-expert, the cancer deaths I have heard about seem to often include surgically removing the solid tumor but perishing due to metastasis - so in that regard, wouldn't a combination of surgery followed up by car-t be a reasonably reliable way of ensuring that the cancer gets actually eliminated?