instruction:
In this task, you will be given sentences in which your task is to recognize the name of the organ of the body. An organ is a collection of tissues that structurally form a functional unit specialized to perform a particular function. Although there might be several correct answers, you need to write one of them.
question:
 The extracorporeal membrane used in a continuous renal replacement therapy ( CRRT ) for the treatment of a critically ill patient with acute renal failure ( ARF ) is vitally important for several reasons , including its influence on biocompatibility and filter performance .
answer:
renal


question:
 This study aimed at correlating cardiac findings ( valvular and myocardial calcification , myocardial hypertrophy ) with clinical data ( age , sex , clinical manifestation , nephrolithiasis , nephrocalcinosis , hypertension , skeletal abnormalities , hypercalcemic syndrome ) and biochemical data ( serum calcium , serum phosphate , serum iPTH level , serum creatinine ) .
answer:
cardiac


question:
 Two siblings presented with typical clinical features of congenital pulmonary alveolar proteinosis ( PAP ) .
answer:
pulmonary