Your sentence still has some errors. Here's an improved and clearer version: "In her later years, this older woman bravely battles a blockage in her coronary collaterals. Recently, her daughter Jessica, who has also been diagnosed with breast cancer, is seeking help. It would mean the world to her if you could donate to support research. We have chosen the American Coronary Collaterals Society because of their dedicated research on coronary collaterals." Key corrections: 1. "In her late years" → "In her later years" (more common phrasing). 2. "bravely battle with blockage on her Coronary Collaterals" → "bravely battles a blockage in her coronary collaterals" (corrected verb tense and phrasing). 3. "And recently her daughter Jessica who also diagnosed" → "Recently, her daughter Jessica, who has also been diagnosed" (added commas for clarity and corrected grammar). 4. "it would mean the world to her to have to have donate to help do research" → "It would mean the world to her if you could donate to support research" (rephrased for clarity). 5. "We choose the American Coronary Collaterals die to research work accorer society due to their die to theitßCoronary Collaterals" → "We have chosen the American Coronary Collaterals Society because of their dedicated research on coronary collaterals" (reworded for clarity and accuracy). In her later years, this older woman bravely battles a blockage in her coronary collaterals. Recently, her daughter Jessica, who has also been diagnosed with breast cancer, is seeking help. It would mean the world to her if you could donate to support research. We have chosen the American Coronary Collaterals Society because of their dedicated research on coronary collaterals.