MY FATHER AGED 71 YEARS GONE WITH A MAJOR OPERATION OF ESOPHAGEUS CANCER. HAS 6 RADIOTHERAPY FOLLOWED BY 5 DIALATION THERAPY.HE HAS ALWAYS LACK OF HEMOGLOBIN SINCE LAST 20 YEARS.NOW THE BONE MARROW RESULT SHOWS.TEST NAME BETA2MICROGLOBULIN.FINDING 5.67(1.0-3.0)INCREASED LEVEL.LYMPHOPROLIFERATIVEDISORDER LIKE MULTIPLE MYELOMAA, B CELL LYMPHOMA,CHRONIC LYMPHOCYTIC LEUKEMIA,INFLA DISORDER LIKE RHEUMATOID ARTHERITIS,SLE,SJOGREN'S SYNDROME AND CHRON'S DISEASE,RENAL DYSFUNCTION. WHAT DOES THAT MEANS PLEASE EXPLAIN .