PHILADELPHIA (CBS) — Targeted cancer treatments are working wonders, but have side effects that weren’t issues with older therapies.

Immunotherapy treatments for cancer are becoming the standard of care, but come with complications which can be serious.

READ MORE: 'There's A Lot Of Ghosts In Here': CBS3 Spends Evening In Believed-To-Be Haunted Neshaminy Creekside Inn

Dr. Arturo Loaiza-Bonilla, Chief of Medical Oncology at Cancer Treatment Centers of America in Philadelphia explains the treatments can damage the heart.

READ MORE: 16-Year-Old Ahjaon Jackson Shot, Killed While Coming Home From Work With Twin Sister, Philadelphia Police Say

ALSO READ: 3-D Printers Are Helping Patients With Irregular Heart Beats

“Increased blood pressure, for example, so what we call hypertension, or arrhythmia which is abnormal heart beat, or issues with the heart itself,” he said. “The function of the heart and the pump of the heart can be compromised, we call that heart failure or heart dysfunction.

MORE NEWS: Philadelphia Community Still Wants 'Real Justice' For Walter Wallace Jr. A Year After Fatal Police Shooting

He says Oncologists are now teaming with Cardiologists to treat the patient’s cancer while protecting the heart.