This Is The Result Of Ultrasound Of My Mother, Will

This is the result of ultrasound of my mother, will you please answer what is the meaning, thank you so much

There is a large inhomogeneous isoechoic solid mass occupying and protruding from the middle to inferior cortex of the left kidney measuring about 11×10.1×12.6cm
With interspersed cystic components and intralesional vascularity. No ascites nor pleural effusion is demonstrated