I was diagnosed last August with stage 4 grade 3 triple negative breast cancer I had a lumpectomy in September, started chemo end October missed 2 sessions as really ill , chemo stopped beginning of December , had 5 days radiotherapy end of january, hot spot found in lymph nodes beginning of February, had 3 weeks radiotherapy in August , they felt it and said they’ve shrunk it ,how serious is all of this ????