Answer:
A. renal calculi.
Step-by-step explanation:
Renal calculi -
It refers to the condition of generation of solid mass in the kidney , urinary tract i.e. , ureters , bladder and urethra , is refers to as renal calculi .
It is also known as kidney stones .
It is one of the very painful condition .
The risk associated with kidney stone is lower amount of urine , less than 1 L .
Hence , from the given scenario of the question ,
The correct answer is A. renal calculi .