Hi, your father has lot of lympghnodal masses in abdomen which is causing pressure in side abdomen, so it's causing pain. As FNAC shows lymphoproliferative disease he require biopsy and ihc testing for confirmed diagnosis. Based on the reports lymohoma is likely possibility. Please do pet ct also for staging
Next Steps
biopsy, ihc, pet ct are needed earliest
please meet medical oncologist or hematologist in z cancer center
Health Tips
lymphoma has highly curable if you reach to your doctor earliedt