Clarissa Canella, MD

Nov 28, 2011
Latest in Home
3D medical imaging of kidneys and renal blood vessels shown in three anatomical views
Medicare payment for cardiac CT declining
September 30, 2026
ASTRO cancer care facility entrance sign with blue letters and pink base decorated with white and yellow flowers
ASTRO: Shorter SBRT regimens improve patient physical function
September 30, 2026
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September 17, 2026
Woman in gold patterned jacket speaking at ASTRO event podium with colorful logo displayed on screen
ASTRO: Incoming president talks 2026 highlights, previews next year
September 30, 2026
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Medicare payment for cardiac CT declining
By Amerigo Allegretto
Inflation-adjusted Medicare payment for cardiac CT declined 27% to 68% between 2010 and 2026, despite guideline endorsement.
September 30, 2026
3D medical imaging of kidneys and renal blood vessels shown in three anatomical views
ASTRO: Shorter SBRT regimens improve patient physical function
By Amerigo Allegretto
Patients who underwent five treatments of SBRT for pancreatic cancer had better physical function and experienced less fatigue.
September 30, 2026
ASTRO cancer care facility entrance sign with blue letters and pink base decorated with white and yellow flowers
Making AI matter at the point of care
By Kelly Londy
In a new column, Kelly Londy of GE HealthCare describes what's needed to unlock the benefits of AI in radiology.
September 30, 2026
Professional headshot of a smiling woman with auburn hair wearing dark clothing against an urban background
ASTRO: Incoming president talks 2026 highlights, previews next year
By Will Morton
Next year's theme in Chicago, IL, is "The Full Spectrum: From Discovery to Delivery, Expanding What's Possible."
September 30, 2026
Woman in gold patterned jacket speaking at ASTRO event podium with colorful logo displayed on screen
ASTRO: Radiosurgery may extend survival for SCLC with brain metastases
By Erik L. Ridley
Patients receiving SRS lived almost 18 months after treatment.
September 29, 2026
ASTRO cancer care facility entrance sign with blue dimensional letters and purple planter with white and yellow flowers
Video from ASTRO: How is the RPT boom impacting radiation oncology?
By Will Morton
The boom in radiopharmaceutical therapy (RPT) driven by theranostics is having a significant impact on radiation oncology.
September 29, 2026
ASTRO cancer care organization sign with blue letters and lavender base decorated with white and yellow flowers
Cardiac MRI-derived metrics predict adverse cardiac disease outcomes
By Erik L. Ridley
Diastolic function markers from cardiac MRI yielded incremental value over clinical risk factors and traditional imaging markers.
September 29, 2026
Glowing red anatomical illustration of a human heart with visible coronary arteries and internal chambers on dark background
Bosniak predicts renal cancer with unfavorable histologic features
By Amerigo Allegretto
The 2019 version of the Bosniak risk classification system can predict cancer in cystic renal masses with unfavorable histology.
September 29, 2026
Four abdominal CT scan images with arrows indicating anatomical features for medical diagnosis
ASTRO: Radiosurgery reduces suicidal ideation in major depressive disorder
By Will Morton
Before treatment, 14 of the 20 patients (70%) reported suicidal thoughts, while after treatment, one patient (5%) did.
September 29, 2026
Professional presenter at ASTRO conference podium delivering research presentation with laptop and display screen
ASTRO: Psychotherapy after cancer diagnosis tied to lower mortality
By Will Morton
Patients with depression had an 11% higher risk of cancer-specific mortality compared with those without it.
September 28, 2026
2026 ASTRO Annual Meeting promotional graphic featuring stylized numbers and Boston skyline illustration on dark background
EHR data may miss women eligible for lung cancer screening
By Amerigo Allegretto
Smoking history may be underestimated in over one-third of lung cancer screening-eligible women identified by self-reporting.
September 28, 2026
Middle-aged woman in light blue shirt sitting on gray couch with hand on chest
ASTRO: 10-year outcomes support hypofractionated radiotherapy in breast cancer
By Will Morton
While hypofractionated radiotherapy is well established for whole-breast irradiation after breast-conserving surgery, there is little long-term data on its use post-mastectomy.
September 28, 2026
Speaker presenting at ASTRO's 68th Annual Meeting plenary session with panelists seated at table
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