In lymphoma, there is an increased susceptibility to respiratory infection, which causes difficulty breathing. However, even when they have no associated infections, patients often have chest symptoms. They are especially concerning when there are large lymph nodes pressing on the lung tissue or the airways. In some cases, enlarged lymph nodes may even create an obstruction in the flow of blood vessels and create fluid collections in the tissue around your lungs.
All of these problems cause difficulty breathing, and many patients would also describe a dry cough and chest pain. They usually describe a pressing type of pain that should be differentiated with heart attacks. In either case, if you have concerning symptoms and feel like they are not normal and need to be evaluated, do not hesitate. Do not delay your diagnosis further and ask your doctor.