Hi,Susan.Dear,Good Afternoon.I am Dr.Savaskar from India,attending your health query to online HCM Clinic. -I studied your query in-depth and Understood your health concerns. -To Start with-I would advise you NOT to worry for what you are suffering from.For every problem there is a solution with Me. -Cause of swollen -painful lump in STOMACH- a-In my opinion-you are suffering from -Constipation with Bloated Abdomen with -painless bleeding from your back-passage -the anus -which indicates -you have haemorrhoids as the basic cause of all this and is a old story since few last years -as noted by you. b-Pains in back of your ribs to lower back-are due to the bloated colon with colicks due to the Constipation from haemorrhoids/piles you have. b-Basically You suffer from Colonic Obstruction with bloated colon in STOMACH area and needs thourough check up by a ER-Surgeon.AS its not the CAKE of your GP. c-Proctoscopy/ Colono-scopy SOS, to rule out the Cause of the-anal bleeding and heamorrhoids -?rectal or ?rect-sigmoidal cancer-growth needs to be ruled -as the symptoms are for last few yrs as told by you. d-Dont worry if you act fast with your Surgeon , who do all that is needed as above and you would be alright soon. d-AS you are still worried I would advise-Xry Abd/ MRI-to remove the fear and anxiety you have for your lump-which is wrongly sensed by you. e-A Surgeon would be right doctor to guide you as above. -Hope this advise and reply would help to plan Surgeons Treatment meeting and would help you for early recovery of this lump-event with you. -Hope this elaborate advise on your most complex issue would help you to recover fast.Wish you recovery ASAP.Wellcome and Thanks With Best of Regards Dr.Savaskar M.N. M.B.B.S;M.S.(Genl-Thorasic-CVTS) i)Senior Surgical Consultant /Thorasic Super-specialist-CVTS, ii)Expert for -Non-Curable Diseases like Cancer/Asthma/psoriasis/auto-immune disorders- etc and rejuvenation therapy.