Sir in the sonogram report of upper abdomen concludes the small hypoechoic s.o.l. in the right lobe of the liver . is this ths sign of liver cancer?

Not necessarily: A hypoechoic lesion is a very nonspecific term and it could indicate from simple cyst to a malignant lesion. The key is to correlate with patient perspective and analyze what further investigation to be done or not to be done. A competent physician will take all of these things into consideration in determining what should be the next step. If you have not sought any help, you should.