## RadiobiologyEdit

**Linear Quadratic / BED / EQD Calculators:**

- 2 Gray Equivalent Calculator (Kathmandu, Nepal)
- Gives 2 Gy equivalent dose at different α/β.

- Site down:
~~http://www.radiotherapy.com/calculate Radiotherapy Dose Calculator (radiotherapy.com)~~- BED, alpha-beta calculator (Java applet) - RBApp - BED, EQD2, alpha-beta calculator (Web App, Android, BlackBerry)
- eLQ - linear quadratic calculator

**Brachytherapy:**

- See "calculation tools" at: Radiation_Oncology/Cervix/Brachytherapy#Equivalent_doses
- e.g. HDR vs LDR BED calculations

## Cancer: GeneralEdit

- Memorial Sloan Kettering Nomograms
- Cleveland Clinic Risk Calculators
- Adjuvant Online (account required)

## Cancer: Site SpecificEdit

**Bladder Cancer**

**Breast Cancer**

**IBTR!**- 10-year prediction of ipsilateral breast cancer recurrence after BCS and axilla evaluation, with and without RT- http://tuftsmedicalcenter.org/ibtr/
**2010:**PMID 20048188 -- "Validation of a Web-Based Predictive Nomogram for Ipsilateral Breast Tumor Recurrence After Breast Conserving Therapy." (Sanghani M, JCO)

**IBR**(van Werkhoven) - predicts 10-yr ipsilateral breast recurrence free probability for RT w/ or w/o boost.- link
- Based on PMID 21821304 -- "Nomogram to predict ipsilateral breast relapse based on pathology review from the EORTC 22881-10882 boost versus no boost trial."

- MSKCC Breast LN Evaluation - probability of SLN and ALND positive
**Breast Cancer Risk Assessment Tool**(NCI) - risk of developing breast cancer

**Cholangiocarcinoma**

**Colon Cancer**

**Glioblastoma**

**Gallbladder**

**Lung Cancer**

**Oral Cavity Cancer**

- Cleveland Clinic Locoregional RFS - probability of 5-year LRRFS after surgery
- Oregon Post-op RT

**Pancreas**

**Renal Cell**

- Please see the renal cell carcinoma page

**Prostate**

- MSKCC Prostate Cancer Nomograms - multiple outcomes
- PSA doubling time calculator:
- RTOG - opens Excel spreadsheet
- Bellera (PDF) - graph paper method

- University of Michigan PSACalc - see PMID 19014779 "Determinants of Change in Prostate-Specific Antigen Over Time and Its Association With Recurrence After External Beam Radiation Therapy for Prostate Cancer in Five Large Cohorts." (Proust-Lima C, Int J Radiat Oncol Biol Phys. 2008 Nov 1;72(3):782-91)
- The Palpable Prostate blog - PSA Doubling Time. Provides a number of links to doubling time calculators
- Doubling Time - by Roth V. - Graphs (linear) and computes doubling time
- prostatecancerwatchfulwaiting.co.za - Excel spreadsheet. PSA Calculator. Graphs semi-log but only graphs PSA values > 1.0.

**Sarcoma**

## Patient informationEdit

**Cancer Survivorship**

**OncoLife - University of Pennsylvania**- Create individualized survivorship plans of care based on the Institute of Medicine recommendations for cancer survivors.

**About Radiation Oncology**

**RT Answers - American Society for Radiation Oncology (ASTRO)**- Information on radiation therapy written for patients by physicians and other members of the radiation oncology treatment team.