I have a swollen hard lymph node under right jaw line that gets hard when i smoke, i havent smoked all day and its not nearly as hard, should i be concerned? is this a possible sign of cancer? i have been smoking off and on for two years, and pretty regul

R/O LYMPHADENOPATHY : UNLIKELY TO BE CANCER: LYMPHADENOPATHY THAT PERSISTS LONGER THAN 8 WEEKS DEMANDS A FULL EVALUATION. You need an Exam& Labs. CT SCAN OF CHEST ABD & PELVIS. BX OF LYMPH NODE. If the pathology is not diagnostic you need a RADICAL LYMPH DISSECTION TO R/O LYMPHOMA VS METASTATIC PROCESS. SEEK PROMPT EVALUATION FROM YOUR INTERNIST AND A GENERAL SURGEON. Second opinion may be warranted