Stage 3 Non-Hodgkin lymphoma is a serious but often treatable condition, and the medicines you are taking: Endoxan, Carzine 50 mg, Omnacortil 5, and Pentosec-D, are commonly used as part of chemotherapy/supportive care regimens, but the exact right treatment depends on the specific type (such as follicular or aggressive lymphoma), staging details, and your overall health, so it is important that this plan is supervised by an oncologist. In addition to continuing your treatment as prescribed, focus on supportive care: maintain good nutrition, stay hydrated, prevent infections by practising hygiene and avoiding crowds when immunity is low, and attend all scheduled follow-ups and blood tests to monitor response and side effects. Inform your doctor promptly if you develop fever, unusual bleeding, severe weakness, or infections. If you have any doubts, you can seek a second opinion from another oncologist for reassurance, but do not stop or change treatment on your own.