Hi I'm from pakistan ,karachi ,I've some question regarding my father age 70 have gangring problem we could not find any specialist who can find proper solution just give you brief history my father few weeks back he get some infection on his right toe we went to dr, we made necessary dressing but it can't solve it dr. suggest minor surgery to remove infected area but few days later it getting worse we went specialist they go thru all the necesarry test doppler test they find the problem is starting from below the knee and then we went to vasular surgeon again we go thru all the test they find in CT scan there is blood circulation starting from abdomen area they advised fix sten in abdomen area increase blood circulation before doing that they done angiography they find veins are not clear they cant fix the sten now dr, are advising us to cut the leg below from knee or may be possible cut the leg from abdomen area.we are very confused couldn't find proper solution or even dr. can u advised us any specialist dr in india or hospital.