英语语法分析

PS image was helpful to define the tumoral outline and find small tumor.

PS图有助于肿瘤范围的准确界定和发现小病灶。

Objective: to investigate the clinical manifestations and histopathologic features of the tumoral calcinosis at active stage.

目的：探讨活动期瘤样钙质沉着症的临床表现、组织病理学改变。

It is a malignant connective (soft) tissue tumor whose neoplastic cells present osteoblastic differentiation and form tumoral bone.

这是一种软组织瘤，肿瘤细胞分化为成骨细胞并形成骨肿瘤。