Group B was without any treatment.

组不予任何治疗。

youdao

All previously described cases of MCC regression without any treatment were also noticed after needle biopsy.

所有先前描述的未经任何治疗的MCC自行消退均在针吸活组织检查后发生。

youdao

The wastewater from the coal mine in Zhenxiong discharged without any treatment or only treated simply has caused serious environmental problems.

镇雄县煤矿废水未经处理或只经过简单的沉淀处理直接外排，造成惨重后果。

youdao

In these bewildering, badly lit underground cells more than a hundred mummies of ancient souls have survived centuries without any special treatment.

BBC: Weekend in Kiev

Jaundice occurs in up to 30% of people who have the infection and goes away in about four to six weeks without any special treatment.

CNN: What could be causing my jaundice?

This is a game changer in sight-affecting diseases, that represents a huge step forward for the field and for these patients who were without any available treatment options until now.

ENGADGET: FDA clears Argus II 'bionic eye' for sale in the US (video)