Hello and hope you are doing well.
The common symptoms of throat cancer are cough, changes in voice, difficulty in swallowing, weight loss, sore throat, ear pain etc.In laryngeal cancer there is pain when swallowing, lump in neck or throat, hoarseness in voice etc.You do not seem to have these symptoms. Acid reflux can result in swallowing problems .Enlarged lymph nodes can be seen in viral infections, skin infection, throat infection, tooth infections etc.A clinical examination and tests like endoscopy and CT scan can confirm the diagnosis of your symptoms. Consult a primary care physician and he may further refer you to a specialist depending n the findings. I hope it helps.
Best luck and take care!