Usually not. Breast cancer that has come back in the lung usually requires chemotherapy. It depends on the type of breast cancer, how quickly it is growing, and whether there are multiple spots or just one spot. Breast cancer in the lung means microscopic cancer has spread through the body, so a whole-body treatment like chemo (or hormone-blocking therapy) is necessary for best results.
If it causes a. Symptom, it can relieve it, but it will not stop the appearance of oter cell clusters at remote locations, and should not be considered a "cureative" treatment, but moe a symptom relieving treatment, palliation.