Stage I lung cancer—to operate or to radiate? that is the question

As innovations and new technologies enter the market, they are naturally compared to existing ones. In some industries, the benefit or popularity of a newly developed item rapidly replaces the existing one. It is hard to imagine, for example, a randomized trial comparing the usability of a smart phone to a regular cell phone or a comfort and speed of a new car model compared to an older one. Changes in these customer-based industries occur rather rapidly and assertively as new technologies replace older ones.