high cholesterol and weight loss

Hi
I am a 51 year old male who had a heart attack 5 years ago when i was told i also had suffered 2 previous ones. Up until that point i was above average fitness for my age. All of my adult life i had weighed 12st 4lb or thereabouts. (my height is 6ft 1") I have always eaten healthily and never had a sweet tooth or craved junk food. Ok i probably had fish and chips once in a while (maybe 3 or 4 times a year).
So back to 2002 when it all began, it hit me bad and i was housebound for 18 months and i gained 5 stone in weight and rocketed to 17st 6lbs. During this time i had not changed my eating habits but my mobility had obviously come to a halt. I developed a severe bad back which made matters worse. I was fitted with 2 arterial stents in 2002 because of the severe angina i was getting.I had a bad experience during this procedure as 1 of the balloons would not deflate and i was on the table hours! I was told I had further arteries that would probably require future attention and sure enough this happened as on discharge my angina was still severe and 1 year later i had a further 3 stents fitted. Touch wood my angina has been fine since although my mobility is still limited and walking is extremely difficult, my back has shown no improvement.
Over the past 5 years i have really changed my lifestyle and i try every single day to push myself doing as much excercise as i am physically able, i no longer drink alchohol, i was drinking quite a lot and my diet is as healthy as i can get it.
This is my dilemma
Since 2004 I have been tring to lose weight almost to the point of paranoia, counted all the calories read all the labels and i was constantly gaining weight! My stomach is distended and nothing was having any effect. I felt constantly tired but still made all the efforts. Then 1 year ago i was diagnosed with diabetes and was advised to control by diet! How could i change my diet when i already was doing all the right things? I carried on until about 6 weeks ago when i was at the doctors for some blood results i had for the yearly diabetes test, when i was told by the doctor " I am worried about your results" she said. Your blood sugars are too high averaging out at 9.2 but more worryingly your cholesterol results are off the scale, 7.2, which is high but being controlled by the 80mg (max) statin that i take. It is the triglyceride levels 21.9 (safe level 2.0) that " I am worried about".
This was the first time anyone mentioned anything about my cholesterol!!
I was flabbergasted, i asked how can this be? Why have i got all these things i have always eaten healthily etc, to be told it is all genetic. I can find no trace of any of these illnesses in my family. I am being refered to a lipid specialist.
So 6 weeks ago i tweaked my diet even further so all i now eat is
Morning - Bowl of porridge made with half water and half soya milk
Lunch - Bowl of home made vegetable soup with one slice of seeded granary bread
Evening Meal - small plate of - either fish and basmati rice, grilled chicken and basmati rice - or grilled salmon and basmati rice.
Snacks in the evening - 6 or 7 Baby Plum tomatoes or 3 or 4 dry water biscuits.
In the last 6 weeks I have also increased my walking to as much as i can
Results
I have not lost even 1 ounce, my weight is identical, i am utterly frustrated and am at my wits end. I am making all the efforts and nothing is working!!!
Tablets i take
Morning
Aspirin
Beta Blocker
Water Tablet
Ramipril
Lanzoprosol
Tramadal
Cocodemol
Metformin
Thiamin
Mid Day
Thiamin
Cocodemol
Tea Time
Tramadal
Cocodemol
Thiamin
Metformin
Evening
Thiamin
Metformin
Tramadal
Cocodemol
Lipitor
If anyone reading this is experiencing similar or has been through similar and knows any ways I might start to amke my weight shift in the right direction can you please please please advise.
Thanking you in anticipation
Jeff