2 Kings 20:1-3 provides the full account of Hezekiah's illness, Isaiah's message, and his earnest prayer.

2 Kings 20:4-11 adds God's response: healing, fifteen more years, and the sign of the shadow moving backward.

Isaiah 38:1-3 parallels the Kings account, detailing Hezekiah's illness and his prayer turning to the wall.

Isaiah 38:4-8 records the same divine promise of healing and the miraculous sign of the sun's shadow.

Isaiah 38:21 provides the specific remedy of figs applied to Hezekiah's boil, a detail not in Chronicles.

Isaiah 38:22 reveals Hezekiah's request for a sign, explaining why God gave him one.

In 2 Kings 20:11, the same sign is recorded — the shadow retreats ten steps as a sign of Hezekiah's healing.

Isaiah 38:8 records the same miraculous sign — the sun's shadow retreats — confirming Hezekiah's healing.