what are the right test to undergo to know my ailment

 i suffereed pain in my left leg as it run to my thigh  my stomach fells full always my vowel disposal is not normal its is smaller amts in 3 times a day. i feel so weak  always i have myomas and been ligated when i was 26 yrs old. im overweight 192lbs and im financially unstable so i only depend on my computer to know where i stand please help me  answer me any one who have d knowledge.im afraid  this condition of mine will lead to a serious disease .............tanks jenny...