Hi. Actualy My Father Having Pain Since 15 Days And

hi. actualy my father having pain since 15 days and he is diabetic and on anti hypertensive and was operated for small bowel obstruction 9 years back and two years ago he had angioplasty.. and ct scan shows a nodal mass in the mesentry...and i have visited three doctors one has said there is nothing to wory its an enteritis or uti as he has done barium follow thru...and another has said that we hav to operate it.. and another has given ppi for one month and said we will do another ct scan after 3 month ...m worried wat to do