question: hello doctor,                                                                          my father aged 78 has an echofree cyst in right kidney size-1.1x0.7cm and calculus in middle calyx size-5mm similarly there is an echofree cyst in left kidney size 5.7x4.2cms and calculus in upper calyx sze5mm.There is enlarged porta hepatis lymph node seen size1.4x1.2cms .what to go about his medication .kindly suggest