Valmiki Ramayana Yuddha Kanda Sarga 99 Shloka 19

रोषः full of fury, सःअङ्गदः that Angada, तेन by that, वामांसफलके left shoulder bone, भृशम् in violence, प्रत्यवपादितम् hurled in turn, परश्वधम् Parasva's, मोक्ष्यामास escaped

Angada, full of fury, escaped Mahaparsva's aim to strike his left shoulder blade in violence.